Random Variables, Averages and Statistics

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    Chapter 4 Random Variables, Averages and Statistics (71 videos) (Practice Test)

      4.1: Frequency Distribution (Practice Test)
      Introducing Information Handling
    1. Introducing Information Handling
      7296 views
      2. Problem-Introducing Information Handling
    2. Problem-Introducing Information Handling
      3799 views
      3. Collection and Presentation of Data
    3. Collection and Presentation of Data
      5804 views
      4. Problem-Data, its Collection and Presentation.
    4. Problem-Data, its Collection and Presentation.
      2957 views
      5. Types of Variables
    5. Types of Variables
      1016 views
      6. Problem-Types of Variables
    6. Problem-Types of Variables
      636 views
      7. Introducing and Constructing Histogram
    7. Introducing and Constructing Histogram
      3765 views
      8. Problem-Introducing and Constructing Histogram
    8. Problem-Introducing and Constructing Histogram
      2156 views
      9. Introducing and Constructing Frequency Polygon
    9. Introducing and Constructing Frequency Polygon
      1731 views
      10. Problem-Introducing and Constructing Frequency Polygon
    10. Problem-Introducing and Constructing Frequency Polygon
      785 views
      11. Measure of Location OR Central Tendency
    11. Measure of Location OR Central Tendency
      1579 views
      12. Problem-Measure of Location OR Central Tendency
    12. Problem-Measure of Location OR Central Tendency
      848 views
      13. Problem1-Types of Measures of Central Tendency
    13. Problem1-Types of Measures of Central Tendency
      435 views
      14. Arithmetic Mean of Raw Data-Direct Method
    14. Arithmetic Mean of Raw Data-Direct Method
      4101 views
      15. Problem-Arithmetic Mean of Raw Data-Direct Method
    15. Problem-Arithmetic Mean of Raw Data-Direct Method
      2575 views
      16. Arithmetic Mean for Grouped Data-Direct Method
    16. Arithmetic Mean for Grouped Data-Direct Method
      3278 views
      17. Problem-Arithmetic Mean for Grouped Data-Direct Method
    17. Problem-Arithmetic Mean for Grouped Data-Direct Method
      1833 views
      18. Arithmetic Mean for Raw Data-Short Formula
    18. Arithmetic Mean for Raw Data-Short Formula
      2147 views
      19. Problem-Arithmetic Mean for Raw Data-Short Formula
    19. Problem-Arithmetic Mean for Raw Data-Short Formula
      1339 views
      20. Arithmetic Mean for Grouped Data-Short Formula
    20. Arithmetic Mean for Grouped Data-Short Formula
      1789 views
      21. Problem-Arithmetic Mean for Grouped Data-Short Formula
    21. Problem-Arithmetic Mean for Grouped Data-Short Formula
      1098 views
      22. Finding A.M for Ungrouped Data-Coding Method
    22. Finding A.M for Ungrouped Data-Coding Method
      2164 views
      23. Problem-Finding A.M for Ungrouped Data-Coding Method
    23. Problem-Finding A.M for Ungrouped Data-Coding Method
      1304 views
      24. Finding A.M for Grouped Data-Coding Method
    24. Finding A.M for Grouped Data-Coding Method
      4957 views
      25. Problem-Finding A.M for Grouped Data-Coding Method
    25. Problem-Finding A.M for Grouped Data-Coding Method
      1123 views
      26. Median for Grouped Discrete Data
    26. Median for Grouped Discrete Data
      1478 views
      27. Problem-Median for Grouped Discrete Data
    27. Problem-Median for Grouped Discrete Data
      843 views
      28. Mode for Grouped Continuous Data
    28. Mode for Grouped Continuous Data
      723 views
      4.2: Random Variables and Probability Density Functions
      Concept of Random Variable
    1. Concept of Random Variable
      2. Word problem on Random Variables
    2. Word problem on Random Variables
      3. Probability Density Function
    3. Probability Density Function
      4. Problem-Probability Density Function
    4. Problem-Probability Density Function
      5. Binomial Random Variable
    5. Binomial Random Variable
      4.3: Expected Value and Standard Deviations of Random Variables (Practice Test)
      Expected Value of a random variable
    1. Expected Value of a random variable
      2. Problem-Expected Value of a Random Variable
    2. Problem-Expected Value of a Random Variable
      3. Expected Value of a Binomial Random Variable
    3. Expected Value of a Binomial Random Variable
      4. Problem-Expected Value of a Binomial Random Variable
    4. Problem-Expected Value of a Binomial Random Variable
      5. Applications of Expected Value of a random variable
    5. Applications of Expected Value of a random variable
      6. Introduction to Variance and S.D
    6. Introduction to Variance and S.D
      1847 views
      7. Problem-Introduction to Variance and S.D
    7. Problem-Introduction to Variance and S.D
      956 views
      8. Calculation of the Variance and Standard Deviation by Direct Method
    8. Calculation of the Variance and Standard Deviation by Direct Method
      1112 views
      9. Problem-Calculation of Variance by Direct Method
    9. Problem-Calculation of Variance by Direct Method
      734 views
      10. Variance using Proper Mean Formula
    10. Variance using Proper Mean Formula
      879 views
      11. Problem-Calculation of Variance by Deviation Method
    11. Problem-Calculation of Variance by Deviation Method
      706 views
      12. Calculation of Variance by Short Cut Method
    12. Calculation of Variance by Short Cut Method
      695 views
      13. Problem-Calculation of Variance by Short Cut Method
    13. Problem-Calculation of Variance by Short Cut Method
      558 views
      14. Calculation of Standard Deviation by Short Cut Method
    14. Calculation of Standard Deviation by Short Cut Method
      3227 views
      15. Problem-Calculation of S.D by Short Cut Method
    15. Problem-Calculation of S.D by Short Cut Method
      411 views
      16. Calculating of Standard Deviation by Deviation Method
    16. Calculating of Standard Deviation by Deviation Method
      692 views
      17. Problem-Calculating of S.D by Deviation Method
    17. Problem-Calculating of S.D by Deviation Method
      419 views
      18. Calculation of Standard Deviation by Direct Method
    18. Calculation of Standard Deviation by Direct Method
      603 views
      19. Problem-Calculation of S.D by Direct Method
    19. Problem-Calculation of S.D by Direct Method
      417 views
      20. Limitations or Drawbacks of Standard Deviation
    20. Limitations or Drawbacks of Standard Deviation
      183 views
      21. Problem-Limitations or Drawbacks of Standard Deviation
    21. Problem-Limitations or Drawbacks of Standard Deviation
      81 views
      22. Uses, Properties of Standard Deviation
    22. Uses, Properties of Standard Deviation
      766 views
      23. Problem-Uses, Properties of Standard Deviation
    23. Problem-Uses, Properties of Standard Deviation
      196 views
      24. Measurement of Spread of Observations
    24. Measurement of Spread of Observations
      67 views
      25. Problem-Measurement of Spread of Observations
    25. Problem-Measurement of Spread of Observations
      58 views
      26. S.D and Variance for a Grouped Data
    26. S.D and Variance for a Grouped Data
      453 views
      27. Problem-S.D and Variance for a Grouped Data
    27. Problem-S.D and Variance for a Grouped Data
      400 views
      28. Variance and Standard Deviation of The Random Variable X
    28. Variance and Standard Deviation of The Random Variable X
      29. Variance and Standard Deviation of a Binomial Random Variable
    29. Variance and Standard Deviation of a Binomial Random Variable
      4.4: Normal Random Variables and the Normal Approximation to the Binomial (Practice Test)
      Standard Normal Distribution
    1. Standard Normal Distribution
      591 views
      2. Standard Normal Random Variable
    2. Standard Normal Random Variable
      3. Problem-Standard Normal Random Variable
    3. Problem-Standard Normal Random Variable
      4. Standardizing a random variable
    4. Standardizing a random variable
      5. Probability of a Standard Normal Random Variable
    5. Probability of a Standard Normal Random Variable
      6. Problem-Probability of a Standard Normal Random Variable
    6. Problem-Probability of a Standard Normal Random Variable
      7. Probability of a random variable w. r. t. standard deviation
    7. Probability of a random variable w. r. t. standard deviation
      8. The normal approximation to a Binomial random variable
    8. The normal approximation to a Binomial random variable
      9. Problem-The normal approximation to a Binomial random variable
    9. Problem-The normal approximation to a Binomial random variable