Statistics | Class 11

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    Chapter 1 Representation and Exploration of Data (36 videos) (Practice Test)

      1.1: Exploring and Interpreting Data (Practice Test)
      Data
    1. Data
      6716 views
      2. Exploring Data
    2. Exploring Data
      2987 views
      3. Interpretation of Data
    3. Interpretation of Data
      2259 views
      4. Introducing Parameters and Statistic
    4. Introducing Parameters and Statistic
      2256 views
      5. Basic Statistical Terms: Data, Population, Sample, Frequency, Class Interval
    5. Basic Statistical Terms: Data, Population, Sample, Frequency, Class Interval
      1746 views
      6. Accuracy of Measurements & Errors
    6. Accuracy of Measurements & Errors
      1356 views
      7. Qualitative/Quantitative Data
    7. Qualitative/Quantitative Data
      880 views
      8. Types of Data
    8. Types of Data
      1624 views
      9. Types of Data By Source
    9. Types of Data By Source
      387 views
      1.2: Frequency Distribution (Practice Test)
      Frequency Distribution
    1. Frequency Distribution
      13271 views
      2. Problem-Frequency Distribution
    2. Problem-Frequency Distribution
      5188 views
      3. Discrete Frequency Distribution
    3. Discrete Frequency Distribution
      899 views
      4. Cumulative Frequency Distribution
    4. Cumulative Frequency Distribution
      1354 views
      1.3: Charts/Diagrams (Practice Test)
      Charts/Diagrams
    1. Charts/Diagrams
      605 views
      2. Graphical Representation of Data-Horizontal/Vertical Bar Graph
    2. Graphical Representation of Data-Horizontal/Vertical Bar Graph
      971 views
      3. Graphical Representation & Interpretation of Data-Multiple Bar Graph
    3. Graphical Representation & Interpretation of Data-Multiple Bar Graph
      534 views
      4. Component Bar Chart
    4. Component Bar Chart
      3021 views
      5. Percentage Component Bar Chart
    5. Percentage Component Bar Chart
      1417 views
      6. Composite Bar Chart
    6. Composite Bar Chart
      797 views
      7. Graphical Representation & Interpretation of Data- Pie Graph
    7. Graphical Representation & Interpretation of Data- Pie Graph
      415 views
      8. Pictograms
    8. Pictograms
      910 views
      1.4: Graphs (Practice Test)
      Graphs
    1. Graphs
      353 views
      2. Interpretation of Data Through Graphs
    2. Interpretation of Data Through Graphs
      303 views
      3. Creating a Histogram
    3. Creating a Histogram
      150 views
      4. Problem-Introducing and Constructing Histogram
    4. Problem-Introducing and Constructing Histogram
      2156 views
      5. Frequency Polygon
    5. Frequency Polygon
      174 views
      6. Cumulative Frequency Polygon
    6. Cumulative Frequency Polygon
      2273 views
      7. Graphical Representation & Interpretation of Data-Dot Graph
    7. Graphical Representation & Interpretation of Data-Dot Graph
      267 views
      8. Representation and Interpretation of Data through Stem and Leaf
    8. Representation and Interpretation of Data through Stem and Leaf
      153 views
      9. Graphical Representation & Interpretation of Data- Line Graph
    9. Graphical Representation & Interpretation of Data- Line Graph
      250 views
      10. Graph of Time Series
    10. Graph of Time Series
      384 views
      11. Difference Between Histogram and Histogram
    11. Difference Between Histogram and Histogram
      1809 views
      1.5: Types of Frequency Curves (Practice Test)
      Frequency Curves
    1. Frequency Curves
      4819 views
      2. Common Shapes of Frequency Curves
    2. Common Shapes of Frequency Curves
      439 views
      3. Positively Skewed Frequency Curves
    3. Positively Skewed Frequency Curves
      340 views
      4. Negatively Skewed Frequency Curves
    4. Negatively Skewed Frequency Curves
      259 views

    Chapter 2 Measure of Central Tendency or Averages (47 videos) (Practice Test)

      2.1: Averages (Practice Test)
      Average
    1. Average
      1182 views
      2. Applications of Different Averages
    2. Applications of Different Averages
      857 views
      2.2: Arithematic Mean (Practice Test)
      Arithmetic Mean of Ungrouped Data
    1. Arithmetic Mean of Ungrouped Data
      1050 views
      2. Problem-Arithmetic Mean of Raw Data-Direct Method
    2. Problem-Arithmetic Mean of Raw Data-Direct Method
      2575 views
      3. Arithmetic Mean of Grouped Data by Direct Method
    3. Arithmetic Mean of Grouped Data by Direct Method
      637 views
      4. Problem-Arithmetic Mean for Grouped Data-Direct Method
    4. Problem-Arithmetic Mean for Grouped Data-Direct Method
      1833 views
      5. Arithmetic Mean of Ungrouped Data using Short-cut Method
    5. Arithmetic Mean of Ungrouped Data using Short-cut Method
      702 views
      6. Problem-Arithmetic Mean for Raw Data-Short Formula
    6. Problem-Arithmetic Mean for Raw Data-Short Formula
      1339 views
      7. Arithmetic Mean of Grouped Data using Short-cut Method
    7. Arithmetic Mean of Grouped Data using Short-cut Method
      822 views
      8. Problem-Arithmetic Mean for Grouped Data-Short Formula
    8. Problem-Arithmetic Mean for Grouped Data-Short Formula
      1098 views
      9. Arithmetic Mean of Ungrouped Data using Coding Method
    9. Arithmetic Mean of Ungrouped Data using Coding Method
      504 views
      10. Problem-Finding A.M for Ungrouped Data-Coding Method
    10. Problem-Finding A.M for Ungrouped Data-Coding Method
      1304 views
      11. Finding A.M for Grouped Data-Coding Method
    11. Finding A.M for Grouped Data-Coding Method
      4957 views
      12. Problem-Finding A.M for Grouped Data-Coding Method
    12. Problem-Finding A.M for Grouped Data-Coding Method
      1123 views
      2.3: Weighted/Combined Mean (Practice Test)
      Combined Arithmetic Mean
    1. Combined Arithmetic Mean
      1138 views
      2. Where to Use Arithmetic Mean
    2. Where to Use Arithmetic Mean
      323 views
      3. Applications of Weighted Averages
    3. Applications of Weighted Averages
      336 views
      4. Introducing Weighted Average
    4. Introducing Weighted Average
      297 views
      5. Problem - Weighted Average for Ungrouped Data
    5. Problem - Weighted Average for Ungrouped Data
      472 views
      6. Properties of Arithmetic Mean
    6. Properties of Arithmetic Mean
      3184 views
      7. More on Properties of Arithmetic Mean
    7. More on Properties of Arithmetic Mean
      962 views
      2.4: Median and Quantiles (Practice Test)
      Median for Ungrouped Data
    1. Median for Ungrouped Data
      4878 views
      2. Median of Grouped Data
    2. Median of Grouped Data
      1438 views
      3. Quartiles for Individual Observations
    3. Quartiles for Individual Observations
      678 views
      4. More on Quartiles for Individual Observations
    4. More on Quartiles for Individual Observations
      307 views
      5. Problem-Quartiles for Individual Observations
    5. Problem-Quartiles for Individual Observations
      283 views
      6. Quartiles for a Frequency Distribution
    6. Quartiles for a Frequency Distribution
      579 views
      7. Problem-Quartiles for a Frequency Distribution
    7. Problem-Quartiles for a Frequency Distribution
      105 views
      8. Estimating Quartiles for Grouped Data using Graph
    8. Estimating Quartiles for Grouped Data using Graph
      562 views
      9. Quantiles from Discrete Data
    9. Quantiles from Discrete Data
      1042 views
      10. More on Quantiles from Discrete Data
    10. More on Quantiles from Discrete Data
      188 views
      11. Quartiles From Grouped Data
    11. Quartiles From Grouped Data
      4104 views
      12. More on Quartiles From Grouped Data
    12. More on Quartiles From Grouped Data
      1238 views
      13. Deciles and Percentiles from Grouped Data
    13. Deciles and Percentiles from Grouped Data
      1564 views
      14. More on Deciles and Percentiles from Grouped Data
    14. More on Deciles and Percentiles from Grouped Data
      296 views
      15. Problem - Deciles and Percentiles from Grouped Data
    15. Problem - Deciles and Percentiles from Grouped Data
      1089 views
      16. Problem - Deciles and Percentiles from Grouped Data
    16. Problem - Deciles and Percentiles from Grouped Data
      406 views
      2.5: Mode (Practice Test)
      The Mode
    1. The Mode
      324 views
      2.6: Geometric Mean and Harmonic Mean (Practice Test)
      Geometric Mean of Ungrouped Data
    1. Geometric Mean of Ungrouped Data
      2197 views
      2. Geometric Mean for Grouped Data
    2. Geometric Mean for Grouped Data
      2361 views
      3. Harmonic Mean for Ungrouped Data
    3. Harmonic Mean for Ungrouped Data
      4409 views
      4. Harmonic Mean for Grouped Data
    4. Harmonic Mean for Grouped Data
      6002 views
      5. Where to Use Harmonic Mean
    5. Where to Use Harmonic Mean
      902 views
      6. Where to Use Geometric Mean
    6. Where to Use Geometric Mean
      362 views
      7. Change in Origin and Scale
    7. Change in Origin and Scale
      1313 views
      8. Empirical Relationship Between Mean, Median and Mode
    8. Empirical Relationship Between Mean, Median and Mode
      2668 views
      9. Relationship Between Arithmetic, Geometric and Harmonic mean
    9. Relationship Between Arithmetic, Geometric and Harmonic mean
      322 views

    Chapter 3 Measures of Dispersion (63 videos) (Practice Test)

      3.1: Dispersion (Practice Test)
      Applications of Dispersion
    1. Applications of Dispersion
      1071 views
      2. Dispersion
    2. Dispersion
      978 views
      3.2: Range (Practice Test)
      Range of Ungrouped Data
    1. Range of Ungrouped Data
      758 views
      2. Problem-Calculation of Range for Ungrouped Data
    2. Problem-Calculation of Range for Ungrouped Data
      869 views
      3. Calculation of Range for Grouped Data
    3. Calculation of Range for Grouped Data
      4332 views
      4. Problem-Calculation of Range for Grouped Data
    4. Problem-Calculation of Range for Grouped Data
      562 views
      3.3: Mean Deviation (Practice Test)
      Mean Deviation of Ungrouped Data
    1. Mean Deviation of Ungrouped Data
      2060 views
      2. Problem-Mean Deviation for Ungrouped Data by Mean
    2. Problem-Mean Deviation for Ungrouped Data by Mean
      445 views
      3. Problem-Mean Deviation for Ungrouped Data by Median
    3. Problem-Mean Deviation for Ungrouped Data by Median
      278 views
      4. Mean Deviation of Ungrouped Data from Mode
    4. Mean Deviation of Ungrouped Data from Mode
      185 views
      5. Problem-Mean Deviation for Ungrouped Data by Mode
    5. Problem-Mean Deviation for Ungrouped Data by Mode
      223 views
      6. Mean Deviation of Grouped Data from Mean
    6. Mean Deviation of Grouped Data from Mean
      353 views
      7. Problem-Mean Deviation for Grouped Data by Mean
    7. Problem-Mean Deviation for Grouped Data by Mean
      240 views
      8. Mean Deviation of Grouped Data from Median
    8. Mean Deviation of Grouped Data from Median
      974 views
      9. Problem-Mean Deviation for Grouped Data by Median
    9. Problem-Mean Deviation for Grouped Data by Median
      185 views
      10. Calculate the Mean Deviation from the following Group Data according to Mode
    10. Calculate the Mean Deviation from the following Group Data according to Mode
      1457 views
      11. Problem-Mean Deviation for Grouped Data by Mode
    11. Problem-Mean Deviation for Grouped Data by Mode
      164 views
      3.4: Quartile Deviation (Practice Test)
      Concept of Quartile Deviation
    1. Concept of Quartile Deviation
      3783 views
      2. Problem-Concept of Quartile Deviation
    2. Problem-Concept of Quartile Deviation
      509 views
      3. Interquartile Range for Data Set Represented in Different Ways
    3. Interquartile Range for Data Set Represented in Different Ways
      235 views
      4. More on Interquartile Range for Data Set Represented in Different Ways
    4. More on Interquartile Range for Data Set Represented in Different Ways
      161 views
      3.5: Variance and Standard Deviation (Practice Test)
      Variance and Standard Deviation
    1. Variance and Standard Deviation
      424 views
      2. Problem-Introduction to Variance and S.D
    2. Problem-Introduction to Variance and S.D
      956 views
      3. Variance and Standard Deviation of Ungrouped Data
    3. Variance and Standard Deviation of Ungrouped Data
      5401 views
      4. Calculation of the Variance and Standard Deviation by Direct Method
    4. Calculation of the Variance and Standard Deviation by Direct Method
      1112 views
      5. Variance and Standard Deviation of Ungrouped Data by Short Method
    5. Variance and Standard Deviation of Ungrouped Data by Short Method
      203 views
      6. Variance and Standard Deviation of Ungrouped Data by Short-cut Method
    6. Variance and Standard Deviation of Ungrouped Data by Short-cut Method
      155 views
      7. Variance and Standard Deviation of Grouped Data
    7. Variance and Standard Deviation of Grouped Data
      3711 views
      8. Variance and Standard Deviation of Grouped Data by Short Method
    8. Variance and Standard Deviation of Grouped Data by Short Method
      240 views
      9. Variance and Standard Deviation of Grouped Data by Short-cut Method
    9. Variance and Standard Deviation of Grouped Data by Short-cut Method
      451 views
      10. Variance and Standard Deviation of Grouped Data by Coding Method
    10. Variance and Standard Deviation of Grouped Data by Coding Method
      435 views
      11. Effect of Change of Origin and Scale on S.D
    11. Effect of Change of Origin and Scale on S.D
      2533 views
      12. Properties of Variance and Standard Deviation
    12. Properties of Variance and Standard Deviation
      1095 views
      13. More on Properties of Variance and Standard Deviation
    13. More on Properties of Variance and Standard Deviation
      100 views
      14. More on Properties of Variance and Standard Deviation
    14. More on Properties of Variance and Standard Deviation
      437 views
      3.6: Coefficient of Dispersion (Practice Test)
      Absolute and Relative Dispersion
    1. Absolute and Relative Dispersion
      4021 views
      2. Coefficient of Dispersion and Its Measure
    2. Coefficient of Dispersion and Its Measure
      385 views
      3. Range Coefficient of Dispersion and its measure
    3. Range Coefficient of Dispersion and its measure
      551 views
      4. Problem-Range Coefficient of Dispersion and its measure
    4. Problem-Range Coefficient of Dispersion and its measure
      193 views
      5. Coefficient of Variation and its Measure
    5. Coefficient of Variation and its Measure
      142 views
      6. More on Problem-Coefficient of Dispersion and Its Measure
    6. More on Problem-Coefficient of Dispersion and Its Measure
      108 views
      7. Quartile Coefficient of Relative Dispersion and its Measure
    7. Quartile Coefficient of Relative Dispersion and its Measure
      156 views
      8. Quartile Coefficient of Relative Dispersion and its Measure
    8. Quartile Coefficient of Relative Dispersion and its Measure
      206 views
      9. Mean Coefficient of Dispersion
    9. Mean Coefficient of Dispersion
      125 views
      3.7: Moments (Practice Test)
      Introducing Moments
    1. Introducing Moments
      428 views
      2. Introducing Moments
    2. Introducing Moments
      1242 views
      3. More on Introducing Moments
    3. More on Introducing Moments
      231 views
      4. Problem-Introducing Moments
    4. Problem-Introducing Moments
      378 views
      5. More on Problem-Introducing Moments
    5. More on Problem-Introducing Moments
      240 views
      6. Problem-Moments for group data
    6. Problem-Moments for group data
      3834 views
      7. Problem-Moments for group data
    7. Problem-Moments for group data
      1204 views
      8. Problem-Relation Between the Mean Moments and the Raw Moments
    8. Problem-Relation Between the Mean Moments and the Raw Moments
      191 views
      9. More on Problem-Relation Between the Mean Moments and the Raw Moments
    9. More on Problem-Relation Between the Mean Moments and the Raw Moments
      250 views
      3.8: Skewed vs Unskewed Curves (Practice Test)
      Introducing Skewness
    1. Introducing Skewness
      446 views
      2. Skewed Vs Unskewed Curves
    2. Skewed Vs Unskewed Curves
      202 views
      3. More on Skewed Vs Unskewed Curves
    3. More on Skewed Vs Unskewed Curves
      144 views
      4. Measures of Skewness
    4. Measures of Skewness
      4497 views
      5. More on Measures of Skewness
    5. More on Measures of Skewness
      477 views
      6. Problem-Measures of Skewness
    6. Problem-Measures of Skewness
      1029 views
      3.9: Kurtosis (Practice Test)
      Kurtosis and Its Measurements
    1. Kurtosis and Its Measurements
      513 views
      2. More on Kurtosis and Its Measurements
    2. More on Kurtosis and Its Measurements
      178 views
      3. Problem-Measures of Kurtosis
    3. Problem-Measures of Kurtosis
      5724 views
      4. More on Problem-Measures of Kurtosis
    4. More on Problem-Measures of Kurtosis
      1102 views

    Chapter 4 Index Numbers (28 videos) (Practice Test)

      4.1: Introduction to Index Numbers (Practice Test)
      Index Number
    1. Index Number
      3495 views
      2. Applications of Index Numbers
    2. Applications of Index Numbers
      951 views
      3. Death Rates and Birth Rates
    3. Death Rates and Birth Rates
      9753 views
      4.2: Main Steps to Construct Price Index Numbers (Practice Test)
      Calculating Index Number By Fixed Base Method
    1. Calculating Index Number By Fixed Base Method
      4243 views
      2. More on Calculating Index Number By Fixed Base Method
    2. More on Calculating Index Number By Fixed Base Method
      958 views
      3. Calculating Index Number By Chain Base Method
    3. Calculating Index Number By Chain Base Method
      11237 views
      4.3: Unweighted and Weighted Price Index Numbers (Practice Test)
      Calculation of Unweighted Index Number by Simple Aggregative Method
    1. Calculation of Unweighted Index Number by Simple Aggregative Method
      3838 views
      2. Problem-Unweighted Index Number by Simple Aggregative Method
    2. Problem-Unweighted Index Number by Simple Aggregative Method
      700 views
      3. Calculation of Unweighted Index Number by Simple Average Method
    3. Calculation of Unweighted Index Number by Simple Average Method
      1305 views
      4. Problem-Unweighted Index Number by Simple Average Method
    4. Problem-Unweighted Index Number by Simple Average Method
      1055 views
      5. Calculation of Unweighted Index Number by Average of Relative Method
    5. Calculation of Unweighted Index Number by Average of Relative Method
      1879 views
      6. Weighted Aggregative Price Index Numbers By Laspeyres Method
    6. Weighted Aggregative Price Index Numbers By Laspeyres Method
      2143 views
      7. Weighted Aggregative Price Index Numbers By Paasches Method
    7. Weighted Aggregative Price Index Numbers By Paasches Method
      1073 views
      8. Weighted Aggregative Price Index Numbers By Fishers Method
    8. Weighted Aggregative Price Index Numbers By Fishers Method
      724 views
      4.4: Quantity Index Numbers (Practice Test)
      Quantity Index Number
    1. Quantity Index Number
      953 views
      2. Problem - Simple Aggregative Quantity Index Number
    2. Problem - Simple Aggregative Quantity Index Number
      316 views
      3. Problem - Weighted Aggregative Quantity Index Number
    3. Problem - Weighted Aggregative Quantity Index Number
      115 views
      4. Problem - Simple Average of Relatives Quantity Index
    4. Problem - Simple Average of Relatives Quantity Index
      388 views
      5. Problem - Weighted Average of Relatives Quantity Index
    5. Problem - Weighted Average of Relatives Quantity Index
      233 views
      4.5: Value Index (Practice Test)
      Value Index Number
    1. Value Index Number
      931 views
      4.6: Theoretical Tests of Index Number (Practice Test)
      Tests of Index Number
    1. Tests of Index Number
      181 views
      2. More on Tests of Index Number
    2. More on Tests of Index Number
      36 views
      3. Problem - Time Reversal Test
    3. Problem - Time Reversal Test
      712 views
      4. Problem - Factor Reversal Test
    4. Problem - Factor Reversal Test
      1550 views
      4.7: Consumer Price Index Numbers (Practice Test)
      Consumer Price Index Numbers
    1. Consumer Price Index Numbers
      465 views
      2. Consumer Price Vs Wholesale Price Index Numbers
    2. Consumer Price Vs Wholesale Price Index Numbers
      472 views
      3. Problem - Consumer Price Vs Wholesale Price Index Numbers
    3. Problem - Consumer Price Vs Wholesale Price Index Numbers
      226 views
      4. Sensitive Price Index (SPI)
    4. Sensitive Price Index (SPI)
      418 views

    Chapter 5 Regression and Correlation Analysis (6 videos) (Practice Test)

      5.1: Regression Analysis (Practice Test)
      Introduction to Regression
    1. Introduction to Regression
      1243 views
      2. Deterministic and Probabilistic Relations or Models
    2. Deterministic and Probabilistic Relations or Models
      988 views
      3. Scatter Diagram
    3. Scatter Diagram
      475 views
      4. Fitting a Straight Line by the Method of Least Squares
    4. Fitting a Straight Line by the Method of Least Squares
      221 views
      5.2: Correlation (Practice Test)
      Correlation
    1. Correlation
      1125 views
      2. Pearson Product Moment Correlation Coefficient
    2. Pearson Product Moment Correlation Coefficient
      1262 views

    Chapter 6 Analysis of Time Series (15 videos) (Practice Test)

      6.1: Time Series (Practice Test)
      Introducing Time Series
    1. Introducing Time Series
      611 views
      2. Applications of Time Series
    2. Applications of Time Series
      706 views
      6.2: Components of Time Series (Practice Test)
      Secular Trend
    1. Secular Trend
      2738 views
      2. Seasonal Variations
    2. Seasonal Variations
      814 views
      3. Cyclical Fluctuations
    3. Cyclical Fluctuations
      1531 views
      4. Irregular or random variations
    4. Irregular or random variations
      602 views
      6.3: Estimation of Secular Trend (Practice Test)
      Method of Free Hand Curve
    1. Method of Free Hand Curve
      3905 views
      2. Method of Semi-Averages
    2. Method of Semi-Averages
      3730 views
      3. How to Calculate Moving Averages
    3. How to Calculate Moving Averages
      316 views
      4. Applications of Moving Averages
    4. Applications of Moving Averages
      218 views
      5. Problem - Application for Moving Averages
    5. Problem - Application for Moving Averages
      197 views
      6. Estimating Secular Trend by Method of Least Squares
    6. Estimating Secular Trend by Method of Least Squares
      387 views
      7. Fitting a Parabola or Second Degree Curve
    7. Fitting a Parabola or Second Degree Curve
      2108 views
      8. Detrending
    8. Detrending
      1645 views
      9. Time Series Decomposition
    9. Time Series Decomposition
      300 views

    Chapter 7 Set Theory (21 videos) (Practice Test)

      7.1: Set Theory
      Sets
    1. Sets
      145 views
      2. Types of Set
    2. Types of Set
      104 views
      3. Subsets
    3. Subsets
      368 views
      4. Basic Operations of Sets
    4. Basic Operations of Sets
      189 views
      5. Venn Diagram
    5. Venn Diagram
      73 views
      7.2: Algebra of Sets
      Commutative Law of Sets
    1. Commutative Law of Sets
      92 views
      2. Associative Laws
    2. Associative Laws
      41 views
      3. Idempotent Laws of Sets
    3. Idempotent Laws of Sets
      116 views
      4. Identity Laws of Sets
    4. Identity Laws of Sets
      108 views
      5. Complementation Law
    5. Complementation Law
      46 views
      6. Law of Double Complementation
    6. Law of Double Complementation
      140 views
      7. Law of Empty Set and Universal Set
    7. Law of Empty Set and Universal Set
      206 views
      8. Distributive Laws
    8. Distributive Laws
      88 views
      7.3: Counting Methods (Practice Test)
      A Basic Counting Procedure
    1. A Basic Counting Procedure
      263 views
      2. Introducing Factorials
    2. Introducing Factorials
      263 views
      3. Problem- Introducing Factorials
    3. Problem- Introducing Factorials
      234 views
      4. Introducing Permutations
    4. Introducing Permutations
      314 views
      5. Problem- Introducing Permutations (Distinct Objects)
    5. Problem- Introducing Permutations (Distinct Objects)
      168 views
      6. Permutations When the Objects are Not Distinct
    6. Permutations When the Objects are Not Distinct
      333 views
      7. Introduction to Combinations
    7. Introduction to Combinations
      3175 views
      8. Problem1-Introducing Combinations
    8. Problem1-Introducing Combinations
      179 views

    Chapter 8 Introduction to Probability (31 videos) (Practice Test)

      8.1: Basic Probability (Practice Test)
      Introducing Probability
    1. Introducing Probability
      2152 views
      2. Random Experiment
    2. Random Experiment
      372 views
      3. Sample Space
    3. Sample Space
      287 views
      4. Basic Terminologies used in Probability
    4. Basic Terminologies used in Probability
      1460 views
      5. Types of Events
    5. Types of Events
      925 views
      6. Probability for Multiple Event
    6. Probability for Multiple Event
      705 views
      7. Problem - Probability for Multiple Event
    7. Problem - Probability for Multiple Event
      585 views
      8. Mutually Vs Non-Mutually Exclusive Events
    8. Mutually Vs Non-Mutually Exclusive Events
      804 views
      9. Problem - Mutually Vs Non-Mutually Exclusive Events
    9. Problem - Mutually Vs Non-Mutually Exclusive Events
      464 views
      10. Equally Likely Vs Exhaustive Events
    10. Equally Likely Vs Exhaustive Events
      775 views
      11. Conditional Probability
    11. Conditional Probability
      3215 views
      12. Properties of Probability
    12. Properties of Probability
      724 views
      8.2: Addition Law for Probability (Practice Test)
      Addition Law of Probability
    1. Addition Law of Probability
      825 views
      2. More on Applications of Addition of Probabilities
    2. More on Applications of Addition of Probabilities
      261 views
      3. Addition Laws of Probability
    3. Addition Laws of Probability
      817 views
      4. Problem-Addition Laws of Probability
    4. Problem-Addition Laws of Probability
      295 views
      5. Addition of Probabilities of Overlapping Events by Venn Diagram
    5. Addition of Probabilities of Overlapping Events by Venn Diagram
      236 views
      6. Problem-Addition of Probabilities of Overlapping Events by Venn Diagram
    6. Problem-Addition of Probabilities of Overlapping Events by Venn Diagram
      192 views
      7. Addition of Probabilities of Disjoint Events by Venn Diagram
    7. Addition of Probabilities of Disjoint Events by Venn Diagram
      186 views
      8. Addition of Probabilities of Subset Events
    8. Addition of Probabilities of Subset Events
      173 views
      8.3: Multiplication Law for Probability (Practice Test)
      Multiplication Law of Probability
    1. Multiplication Law of Probability
      850 views
      2. Application of Multiplication Laws of Probabilities
    2. Application of Multiplication Laws of Probabilities
      307 views
      3. More on Application of Multiplication Laws of Probabilities
    3. More on Application of Multiplication Laws of Probabilities
      203 views
      4. Multiplication of Probabilities of Dependent Events
    4. Multiplication of Probabilities of Dependent Events
      284 views
      5. Problem- Multiplication of Probabilities of Dependent Events
    5. Problem- Multiplication of Probabilities of Dependent Events
      192 views
      6. Multiplication of Probabilities of Independent Events
    6. Multiplication of Probabilities of Independent Events
      192 views
      7. Problem-Multiplication of Probabilities of Independent Events
    7. Problem-Multiplication of Probabilities of Independent Events
      175 views
      8.4: Conditional Probability (Practice Test)
      Conditional Probability
    1. Conditional Probability
      521 views
      2. Application of Conditional Probability
    2. Application of Conditional Probability
      452 views
      3. Conditional Probability By Sample and Reduced Sample Space Approach
    3. Conditional Probability By Sample and Reduced Sample Space Approach
      361 views
      4. Prob-Conditional Probability By Sample and Reduced Sample Space Approach
    4. Prob-Conditional Probability By Sample and Reduced Sample Space Approach
      295 views

    Chapter 9 Random Variables and Distributions (43 videos) (Practice Test)

      9.1: Random Variables (Practice Test)
      Random Variable
    1. Random Variable
      644 views
      2. Discrete and Continuous Random Variable
    2. Discrete and Continuous Random Variable
      426 views
      9.2: Discrete Probability Distribution (Practice Test)
      Introducing Probability Distribution
    1. Introducing Probability Distribution
      381 views
      2. Probability Mass Function
    2. Probability Mass Function
      482 views
      3. Probability Distribution of Discrete Random Variable
    3. Probability Distribution of Discrete Random Variable
      586 views
      4. More on Probability Distribution of Discrete Random Variable
    4. More on Probability Distribution of Discrete Random Variable
      308 views
      5. Problem - Probability Distribution of Discrete Random Variable
    5. Problem - Probability Distribution of Discrete Random Variable
      361 views
      6. Cumulative Distribution and Probability Mass Function
    6. Cumulative Distribution and Probability Mass Function
      177 views
      7. The Expected Value of Random Variable
    7. The Expected Value of Random Variable
      284 views
      8. Use of Expected Value in Decision Making
    8. Use of Expected Value in Decision Making
      231 views
      9. More on Use of Expected Value in Decision Making
    9. More on Use of Expected Value in Decision Making
      136 views
      9.3: Continuous Probability Distribution (Practice Test)
      The PDF of Continuous Distribution
    1. The PDF of Continuous Distribution
      287 views
      2. More on The PDF of Continuous Distribution
    2. More on The PDF of Continuous Distribution
      176 views
      3. Finding Area Under the Curve with Trapezoidal Rule
    3. Finding Area Under the Curve with Trapezoidal Rule
      173 views
      4. More on Finding Area Under the Curve with Trapezoidal Rule
    4. More on Finding Area Under the Curve with Trapezoidal Rule
      129 views
      5. Probability Density Function using Integration Method
    5. Probability Density Function using Integration Method
      82 views
      6. Problem-Probability Density Function using Integration Method
    6. Problem-Probability Density Function using Integration Method
      48 views
      7. More on Problem-Probability Density Function using Integration Method
    7. More on Problem-Probability Density Function using Integration Method
      55 views
      8. Cumulative Distribution and Probability Density Function
    8. Cumulative Distribution and Probability Density Function
      45 views
      9. Problem-Cumulative Distribution and Probability Density Function
    9. Problem-Cumulative Distribution and Probability Density Function
      45 views
      9.4: The Expectation of Random Variable (Practice Test)
      Expectation
    1. Expectation
      167 views
      2. Applications of Expectation
    2. Applications of Expectation
      210 views
      3. How Probability Helps Expectations
    3. How Probability Helps Expectations
      138 views
      4. The Expectation of a Discrete Distribution
    4. The Expectation of a Discrete Distribution
      126 views
      5. Problem1-The Expectation of a Discrete Distribution
    5. Problem1-The Expectation of a Discrete Distribution
      114 views
      6. Problem2-The Expectation of a Discrete Distribution
    6. Problem2-The Expectation of a Discrete Distribution
      104 views
      7. More on Problem2-The Expectation of a Discrete Distribution
    7. More on Problem2-The Expectation of a Discrete Distribution
      96 views
      8. Laws of Expectation
    8. Laws of Expectation
      260 views
      9. More on Laws of Expectation
    9. More on Laws of Expectation
      105 views
      10. Addition and Subtraction Laws of Expectation
    10. Addition and Subtraction Laws of Expectation
      141 views
      11. Multiplication Law of Expectation
    11. Multiplication Law of Expectation
      200 views
      12. Problem-Laws of Expectation
    12. Problem-Laws of Expectation
      125 views
      9.5: Properties of Variances (Practice Test)
      Properties of Variance1
    1. Properties of Variance1
      167 views
      2. Properties of Variance2
    2. Properties of Variance2
      106 views
      3. Properties of Variance3
    3. Properties of Variance3
      93 views
      4. Properties of Variance4
    4. Properties of Variance4
      89 views
      5. Problem-Properties of Variance
    5. Problem-Properties of Variance
      115 views
      6. More on Problem-Properties of Variance
    6. More on Problem-Properties of Variance
      142 views
      9.6: Sum or Differences of Variances of Random Variables (Practice Test)
      Variance of the Sum or Difference of Two Random Variables1
    1. Variance of the Sum or Difference of Two Random Variables1
      110 views
      2. Variance of the Sum or Difference of Two Random Variables2
    2. Variance of the Sum or Difference of Two Random Variables2
      83 views
      3. Variance of the Sum or Difference of Two Random Variables3
    3. Variance of the Sum or Difference of Two Random Variables3
      93 views
      4. Variance of the Sum or Difference of Two Random Variables4
    4. Variance of the Sum or Difference of Two Random Variables4
      87 views
      5. Problem-Variance of the Sum or Difference of Two Random Variables
    5. Problem-Variance of the Sum or Difference of Two Random Variables
      93 views

    Chapter 10 Binomial and Hypergeometric Distributions (14 videos) (Practice Test)

      10.1: The Binomial Distribution (Practice Test)
      The Bernoulli Distribution
    1. The Bernoulli Distribution
      590 views
      2. The Binomial Distribution
    2. The Binomial Distribution
      952 views
      3. More on Binomial Distribution
    3. More on Binomial Distribution
      444 views
      4. Visualizing Binomial Distribution
    4. Visualizing Binomial Distribution
      341 views
      5. Probability of Binomial Distribution - Example
    5. Probability of Binomial Distribution - Example
      541 views
      6. Binomial Distribution for All Possible Value of Random Variable
    6. Binomial Distribution for All Possible Value of Random Variable
      297 views
      7. More on Binomial Distribution for All Possible Value of Random Variable
    7. More on Binomial Distribution for All Possible Value of Random Variable
      213 views
      8. Problem- Probability of Binomial Distribution
    8. Problem- Probability of Binomial Distribution
      343 views
      9. Binomial Frequency Distribution
    9. Binomial Frequency Distribution
      534 views
      10. Mean of Binomial Distribution
    10. Mean of Binomial Distribution
      708 views
      11. Variance of Binomial Distribution
    11. Variance of Binomial Distribution
      1144 views
      10.2: The Hypergeometric Distribution (Practice Test)
      Introducing Hypergeometric Distribution
    1. Introducing Hypergeometric Distribution
      4410 views
      2. More on Hypergeometric Distribution
    2. More on Hypergeometric Distribution
      1955 views
      3. Properties of Hypergeometric Distribution
    3. Properties of Hypergeometric Distribution
      747 views

    Chapter 11 The Normal Distribution (12 videos) (Practice Test)

      11.1: The Normal Distribution (Practice Test)
      Introducing Normal Distribution
    1. Introducing Normal Distribution
      1930 views
      2. Cumulative Distribution Function of Normal Distribution
    2. Cumulative Distribution Function of Normal Distribution
      364 views
      3. Standard Normal Distribution
    3. Standard Normal Distribution
      591 views
      4. Characteristics of the Normal Probability Distribution
    4. Characteristics of the Normal Probability Distribution
      3328 views
      5. Areas under the Normal Curve
    5. Areas under the Normal Curve
      989 views
      6. Tabulated Areas of Normal Distribution
    6. Tabulated Areas of Normal Distribution
      857 views
      7. More on 1. Tabulated Areas of Normal Distribution
    7. More on 1. Tabulated Areas of Normal Distribution
      634 views
      8. More on 2. Tabulated Areas of Normal Distribution
    8. More on 2. Tabulated Areas of Normal Distribution
      520 views
      9. Inverse Use of Table of Areas Under Normal Curve
    9. Inverse Use of Table of Areas Under Normal Curve
      1342 views
      10. More on Inverse Use of Table of Areas Under Normal Curve1
    10. More on Inverse Use of Table of Areas Under Normal Curve1
      327 views
      11. Problem- Inverse Use of Table of Areas Under Normal Curve
    11. Problem- Inverse Use of Table of Areas Under Normal Curve
      1202 views
      12. Normal Approximation to the Binomial Distribution
    12. Normal Approximation to the Binomial Distribution
      722 views

    Chapter 12 Sampling and Sampling Distributions (52 videos) (Practice Test)

      12.1: Basic Concepts (Practice Test)
      Applications of Sampling
    1. Applications of Sampling
      1228 views
      2. Central Limit Theorem
    2. Central Limit Theorem
      167 views
      3. Population Vs Sample
    3. Population Vs Sample
      941 views
      4. Population and Its Kind
    4. Population and Its Kind
      414 views
      5. Sample and Sampling
    5. Sample and Sampling
      398 views
      6. Sampling Units and Frame
    6. Sampling Units and Frame
      4996 views
      7. Sampling Versus Census
    7. Sampling Versus Census
      1731 views
      8. Sampling and Non-Sampling Errors
    8. Sampling and Non-Sampling Errors
      14824 views
      9. Precision and accuracy
    9. Precision and accuracy
      5993 views
      10. Limitations of Sampling
    10. Limitations of Sampling
      929 views
      11. Sampling Design and Its Types
    11. Sampling Design and Its Types
      6495 views
      12. A Representative Vs Biased Sample
    12. A Representative Vs Biased Sample
      386 views
      12.2: Probability And Non-Probability sampling (Practice Test)
      Probability and Non-probability Sampling
    1. Probability and Non-probability Sampling
      6397 views
      2. Random Digits
    2. Random Digits
      240 views
      3. Simple Random Sampling
    3. Simple Random Sampling
      5361 views
      4. Systematic Sampling
    4. Systematic Sampling
      3014 views
      5. Stratified Sampling
    5. Stratified Sampling
      4017 views
      6. Cluster Sampling
    6. Cluster Sampling
      1910 views
      7. Introducing Purposive and Quota Sampling
    7. Introducing Purposive and Quota Sampling
      829 views
      12.3: Errors in Sampling (Practice Test)
      True Value, Accuracy, Precision and Error
    1. True Value, Accuracy, Precision and Error
      707 views
      2. Prob-True Value, Accuracy, Precision and Error
    2. Prob-True Value, Accuracy, Precision and Error
      262 views
      3. Prob-Simple Random Sampling and Sampling Distribution
    3. Prob-Simple Random Sampling and Sampling Distribution
      340 views
      12.4: Sampling and Sampling Distributions (Practice Test)
      Sampling
    1. Sampling
      263 views
      2. Sampling Distribution
    2. Sampling Distribution
      740 views
      3. Sampling With Replacement and Without Replacement
    3. Sampling With Replacement and Without Replacement
      15477 views
      4. Sampling Distribution and Standard Error of Statistic
    4. Sampling Distribution and Standard Error of Statistic
      2512 views
      5. Prob-Sampling Distribution and Standard Error of Statistic
    5. Prob-Sampling Distribution and Standard Error of Statistic
      722 views
      6. Prob-Sampling Distribution From General Populations
    6. Prob-Sampling Distribution From General Populations
      223 views
      12.5: Sampling Distributions (Practice Test)
      Sampling Distribution of Mean
    1. Sampling Distribution of Mean
      14040 views
      2. More on Sampling Distribution of Mean
    2. More on Sampling Distribution of Mean
      3. Graphical Representation of Sampling Distribution of Means
    3. Graphical Representation of Sampling Distribution of Means
      265 views
      4. Standard Deviation of the Sampling Distribution With Replacement
    4. Standard Deviation of the Sampling Distribution With Replacement
      780 views
      5. More on Standard Deviation of the Sampling Distribution With Replacement
    5. More on Standard Deviation of the Sampling Distribution With Replacement
      304 views
      6. Problem- Standard Deviation of Sampling Distribution With Replacement
    6. Problem- Standard Deviation of Sampling Distribution With Replacement
      250 views
      7. Standard Deviation of Sampling Distribution Without Replacement
    7. Standard Deviation of Sampling Distribution Without Replacement
      2227 views
      8. More on Standard Deviation of Sampling Distribution Without Replacement
    8. More on Standard Deviation of Sampling Distribution Without Replacement
      1910 views
      9. Sampling Distribution of Difference of Means
    9. Sampling Distribution of Difference of Means
      600 views
      10. Variance of Difference of Random Variables
    10. Variance of Difference of Random Variables
      170 views
      11. More on Sampling Distribution of Difference of Means
    11. More on Sampling Distribution of Difference of Means
      206 views
      12. More on Variance of Difference of Random Variables
    12. More on Variance of Difference of Random Variables
      125 views
      13. Problem-Sampling Distribution of Difference of Means
    13. Problem-Sampling Distribution of Difference of Means
      301 views
      14. More on Problem-Sampling Distribution of Difference of Means
    14. More on Problem-Sampling Distribution of Difference of Means
      195 views
      15. Further to Problem-Sampling Distribution of Difference of Means
    15. Further to Problem-Sampling Distribution of Difference of Means
      154 views
      16. Further to Problem-Sampling Distribution of Difference of Means
    16. Further to Problem-Sampling Distribution of Difference of Means
      138 views
      17. Sampling Distribution of Proportions
    17. Sampling Distribution of Proportions
      1239 views
      18. Problem- Sampling Distribution of Proportions
    18. Problem- Sampling Distribution of Proportions
      264 views
      19. More on Problem- Sampling Distribution of Proportions
    19. More on Problem- Sampling Distribution of Proportions
      330 views
      20. More on Problem- Sampling Distribution of Proportions
    20. More on Problem- Sampling Distribution of Proportions
      206 views
      21. Sampling Distribution of Difference between Proportions
    21. Sampling Distribution of Difference between Proportions
      186 views
      22. Sampling Distribution of Variances
    22. Sampling Distribution of Variances
      781 views
      23. More on Sampling Distribution of Variances
    23. More on Sampling Distribution of Variances
      145 views
      24. Further stuff on Sampling Distribution of Variances
    24. Further stuff on Sampling Distribution of Variances
      118 views

    Chapter 13 Statistical Inference:Estimation (17 videos) (Practice Test)

      13.1: Statistical Inference (Practice Test)
      Introducing Statistical Inference
    1. Introducing Statistical Inference
      1477 views
      2. Estimates and Estimators
    2. Estimates and Estimators
      2013 views
      3. Statistic and Estimator
    3. Statistic and Estimator
      360 views
      13.2: Point Estimation (Practice Test)
      Point Estimation
    1. Point Estimation
      1115 views
      13.3: Unbiased Estimator (Practice Test)
      Introducing Unbiased Estimator
    1. Introducing Unbiased Estimator
      1981 views
      2. Unbiased Estimation of the Variance
    2. Unbiased Estimation of the Variance
      336 views
      13.4: Confidence Interval (Practice Test)
      Introducing Confidence Interval
    1. Introducing Confidence Interval
      732 views
      2. Confidence Interval for Means with Large Samples
    2. Confidence Interval for Means with Large Samples
      561 views
      3. Confidence Interval for Mue when Sigma Square is Unknown
    3. Confidence Interval for Mue when Sigma Square is Unknown
      324 views
      4. Confidence Interval for Differences between Means with Large Sample size
    4. Confidence Interval for Differences between Means with Large Sample size
      240 views
      5. Confidence Interval for Mean with Small Sample
    5. Confidence Interval for Mean with Small Sample
      256 views
      6. Problem-Confidence Interval Estimates of Mean From Small Samples
    6. Problem-Confidence Interval Estimates of Mean From Small Samples
      210 views
      7. Confidence Interval for Mean Differences in Small Samples with Unknown Variance
    7. Confidence Interval for Mean Differences in Small Samples with Unknown Variance
      168 views
      8. Confidence Interval for Paired Observations
    8. Confidence Interval for Paired Observations
      237 views
      9. Confidence Interval for Proportions
    9. Confidence Interval for Proportions
      181 views
      10. Confidence Intervals for Difference Between Proportions
    10. Confidence Intervals for Difference Between Proportions
      152 views
      11. Confidence Interval for Paired Observations
    11. Confidence Interval for Paired Observations
      36 views

    Chapter 14 Statistical Inference:Hypothesis Testing (27 videos) (Practice Test)

      14.1: Basic Concepts (Practice Test)
      Testing hypothesis
    1. Testing hypothesis
      1118 views
      2. Formulation of Null and Alternative Hypothesis
    2. Formulation of Null and Alternative Hypothesis
      1005 views
      3. Prob-Formulation of Null and Alternative Hypothesis
    3. Prob-Formulation of Null and Alternative Hypothesis
      524 views
      4. Simple and Composite Hypothesis
    4. Simple and Composite Hypothesis
      3977 views
      5. Test-Statistics
    5. Test-Statistics
      758 views
      6. Acceptance and Rejection Regions
    6. Acceptance and Rejection Regions
      2157 views
      7. Type 1 and 2 Errors
    7. Type 1 and 2 Errors
      482 views
      8. The Significance Level
    8. The Significance Level
      566 views
      9. One Tailed and Two Tailed Test
    9. One Tailed and Two Tailed Test
      907 views
      10. General Procedure for Testing Hypothesis
    10. General Procedure for Testing Hypothesis
      1051 views
      11. Left Tailed and Right Tailed Tests
    11. Left Tailed and Right Tailed Tests
      653 views
      12. Prob-Left Tailed and Right Tailed Tests
    12. Prob-Left Tailed and Right Tailed Tests
      231 views
      13. Deciding Upon an Appropriate Test
    13. Deciding Upon an Appropriate Test
      171 views
      14. Level of Significance and Level of Confidence
    14. Level of Significance and Level of Confidence
      573 views
      14.2: Testing Hypothesis about Population Mean (Practice Test)
      Testing Hypothesis about Mean of a Normal population when Sigma is known
    1. Testing Hypothesis about Mean of a Normal population when Sigma is known
      625 views
      2. Test Hypothesis about Mean of a Normal Population with Unknown Sigma and n>30
    2. Test Hypothesis about Mean of a Normal Population with Unknown Sigma and n>30
      326 views
      3. The Students t Distribution
    3. The Students t Distribution
      380 views
      4. Hypothesis Testing About the Mean with Unknown Variance
    4. Hypothesis Testing About the Mean with Unknown Variance
      202 views
      5. Comparing the Mean of Two Normal Populations
    5. Comparing the Mean of Two Normal Populations
      357 views
      6. Comparing the Means of Two Normal Distributions with unequal Unknown Variances
    6. Comparing the Means of Two Normal Distributions with unequal Unknown Variances
      274 views
      7. The Paired t Test
    7. The Paired t Test
      191 views
      14.3: Testing Hypothesis about Population Proportion (Practice Test)
      Test Based on Normal Approximation
    1. Test Based on Normal Approximation
      181 views
      2. Example- Test Based on Normal Approximation
    2. Example- Test Based on Normal Approximation
      122 views
      3. Test of Hypothesis About the Difference Between Two Population Proportions
    3. Test of Hypothesis About the Difference Between Two Population Proportions
      219 views
      4. Prob-Test of Hypothesis About the Difference Between Two Population Proportions
    4. Prob-Test of Hypothesis About the Difference Between Two Population Proportions
      125 views
      5. Test the Hypothesis for the Difference between Two Population Proportions
    5. Test the Hypothesis for the Difference between Two Population Proportions
      111 views
      6. Test the Hypothesis for the Difference between Two Population Proportions
    6. Test the Hypothesis for the Difference between Two Population Proportions
      93 views

    Chapter 15 Association of Attributes (9 videos) (Practice Test)

      15.1: The Association of Attributes (Practice Test)
      Variables and Attributes
    1. Variables and Attributes
      1935 views
      2. Classification by Attributes
    2. Classification by Attributes
      329 views
      3. Independence and Criterion of Independence
    3. Independence and Criterion of Independence
      46 views
      4. Association of Attributes
    4. Association of Attributes
      619 views
      5. Coefficient of Association
    5. Coefficient of Association
      565 views
      6. Categorical data
    6. Categorical data
      519 views
      7. Contingency Tables
    7. Contingency Tables
      416 views
      8. Testing Hypothesis of Independence between Attributes
    8. Testing Hypothesis of Independence between Attributes
      277 views
      9. Yates Correction for Continuity
    9. Yates Correction for Continuity
      1071 views