Statistics and probability

Intl. Baccalaureate Board > Class 9 > Math (Total Videos: 560)

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Chapter 4: Statistics and probability (192 videos)   (Practice Test)
4.1: Introduction  (Practice Test)
  1. Population
  2. Problem 1:Population
  3. Experiments and Sample Space
  4. Problem-Experiments and Sample Space
  5. Definition of Probability
  6. Problem-Definition of Probability
  7. Basic Terminology
4.2: Presentation of data  (Practice Test)
  1. Concept of Information Handling
  2. Problem 1: Concept of Information Handling
  3. Data, Collection of Data, Presentation of Data
  4. Problem 1: Data, Collection of Data, Presentation of Data
  5. Box-and-Whisker Plots
4.3: Grouped data  (Practice Test)
  1. Class interval & Class Limits
  2. Problem 1: Class interval & Class Limits
  3. Class Mark & Class Boundaries.
  4. Problem 1: Class Mark & Class Boundaries.
  5. Class Frequency
  6. Problem 1: Class Frequency
  7. Introduction to Tabulation
  8. Problem 1: Introduction to Tabulation
  9. One way Tabulation
  10. Problem 1: One way Tabulation
  11. Two way Tabulation
  12. Problem 1: Two way Tabulation
  13. Construction of Continuous Frequency Table
  14. Problem 1: Construction of Continuous Frequency Table
  15. Cumulative Frequency Distribution
  16. Find the Cumulative Frequency
  17. Formation of Frequency Distribution byTally Bar Method
  18. Problem 1: Formation of Frequency Distribution by Tally Bar Method
  19. Formation of Frequency Distribution by Direct Method
  20. Problem 1: Formation of Frequency Distribution by Direct Method
4.4: Statistical measures and their interpretations.  (Practice Test)
  1. Measure of Location
  2. Problem 1: Measure of Location
  3. Types of Measures of Central Tendency
  4. Problem 2: Types of Measures of Central Tendency
  5. problem 3: Types of Measures of Central Tendency
  6. Problem 1: Types of Measures of Central Tendency
  7. Importance of Measure of Central Tendency
  8. Problem 1: Importance of Measure of Central Tendency
  9. Arithmetic Mean (A.M) for Ungrouped Data
  10. Problem 1: A.M of Ungrouped Data by Direct Method
  11. Arithmetic Mean (A.M) for Grouped Data by Direct Method
  12. Problem 1: A.M for Grouped Data by Direct Method
  13. Short formula for Computing Arithmetic Mean for Ungrouped Data
  14. Problem 1: A.M for Ungrouped Data by Short formula Method
  15. Short formula for Computing Arithmetic Mean for Grouped Data
  16. Problem 1: A.M for Grouped Data by Short formula Method
  17. Coding Method of Finding Arithmetic Mean
  18. Problem 1: A.M for Ungrouped Data by Coding Method
  19. Finding A.M for Grouped Data-Coding Method
  20. Problem 1: A.M for Grouped Data by Coding Method
  21. Median for Grouped Discrete Data
  22. Problem:Median for Grouped Discrete Data
  23. Problem-Mode for Grouped Continuous Data
  24. Harmonic Mean for Ungrouped Data
  25. Problem: Harmonic Mean for Ungrouped Data
  26. Harmonic Mean for Grouped Data
  27. Problem: Harmonic Mean for Grouped Data
  28. Geometric Mean of Ungrouped Data
  29. Geometric Mean of Ungrouped Data by Logarithm
  30. Problem: Geometric Mean of Ungrouped Data by Logarithm
  31. Geometric Mean of Grouped Data by Logarithm
  32. Problem: Geometric Mean of Grouped Data by Logarithm
  33. Calculation of Weighted Mean
  34. Problem: Calculation of Weighted Mean
  35. Calculation of Moving Mean
  36. Problem: Calculation of Moving Mean
  37. Using Calculator to find Mean
  38. Median for Ungrouped Data
  39. Problem 1: Median for Ungrouped Data
  40. Median for Grouped Continuous Data
  41. Problem 1: Median for Grouped Continuous Data
  42. Mode for Ungrouped Discrete Data
  43. Problem 1: Mode for Ungrouped Discrete Data
  44. Mode for Grouped Data
  45. Problem 1: Mode for Grouped Data
  46. Situations when Mean, Median and Mode are Used
  47. Problem 1: Situations when Mean, Median and Mode are Used
  48. Properties of Arithmetic Mean
  49. Problem 1: Properties of Arithmetic Mean
  50. Merits and Demerits of Median
  51. Problem 1: Merits and Demerits of Median
  52. Merits and Demerits of Mode
  53. Problem 1: Merits and Demerits of Mode
4.5: Quartiles, percentiles.  (Practice Test)
  1. Median, Quartiles and Percentiles
  2. Interquartile Range
4.6: Dispersion  (Practice Test)
  1. Concept of Dispersion
  2. Problem 1: Concept of Dispersion
  3. Importance & Uses of Measures of Dispersion
  4. Problem 1: Importance & Uses of Measures of Dispersion
  5. Types of Measures of Dispersion
  6. Problem 1: Types of Measures of Dispersion
  7. Problem 2: Types of Measures of Dispersion
  8. Calculation of Range for Raw or Ungrouped Data
  9. Problem 1: Calculation of Range for Raw or Ungrouped Data
  10. Calculation of Range for Grouped Data
  11. Problem 1: Calculation of Range for Grouped Data
  12. Uses and Properties of Range
  13. Problem 1: Uses and Properties of Range
  14. Limitations or Drawbacks of Range
  15. Problem 1: Limitations or Drawbacks of Range
  16. Introduction to Variance and Standard deviation
  17. Problem 1: Introduction to Variance & S.D
  18. Calculation of the Variance and Standard Deviation by Direct Method
  19. Problem 1: Calculation of Variance by Direct Method
  20. Calculation of Variance by Proper Mean Formula
  21. Calculation of Variance of Grouped Data by Proper Mean Formula
  22. Calculation of Variance by Short Cut Method
  23. Problem 1: Calculation of Variance by Short Cut Method
  24. Calculation of S.D by Short Cut Method
  25. Problem 1: Calculation of S.D by Short Cut Method
  26. Calculation of Standard Deviation by Proper Mean Formula
  27. Problem 1: Calculation of S.D by Proper Mean formula
  28. Calculation of S.D by Direct Method
  29. Problem 1: Calculation of S.D by Direct Method
  30. Limitations of Variance and Standard Deviation
  31. Problem 1: Limitations of Variance and Standard Deviation
  32. Uses and Properties of Standard Deviation
  33. Problem 1: Uses and Properties of Standard Deviation
  34. Criteria for the measurement of spread of Observation
  35. Problem 1: Criteria for the measurement of spread of Observation
  36. S.D & Variance for A Grouped Data
  37. Problem 1: S.D & Variance for A Grouped Data
  38. Construction of Graphs
  39. Problem 1: Construction of Graphs
  40. Introducing Mean Deviation
  41. Problem-Mean Deviation for Ungrouped Data by Mean
  42. Calculation of Mean Deviation according to the Median for Ungrouped D
  43. Problem-Mean Deviation for Ungrouped Data by Median
  44. Calculation of Mean Deviation according to the Mode for Ungrouped Data
  45. Problem-Mean Deviation for Ungrouped Data by Mode
  46. Calculation of Mean Deviation from Group Data according to Mean
  47. Problem-Mean Deviation for Grouped Data by Mean
  48. Calculation of Mean Deviation from Group Data according to Median
  49. Problem-Mean Deviation for Grouped Data by Median
  50. Calculate the Mean Deviation from the following Group Data according
  51. Problem-Mean Deviation for Grouped Data by Mode
4.7: Applications.  (Practice Test)
  1. Introduction to Tabulation
  2. Problem 1: Introduction to Tabulation
  3. One way Tabulation
  4. Problem 1: One way Tabulation
  5. Two way Tabulation
  6. Problem 1: Two way Tabulation
  7. Construction of Continuous Frequency Table
  8. Problem 1: Construction of Continuous Frequency Table
  9. Cumulative Frequency Distribution
  10. Find the Cumulative Frequency
  11. Formation of Frequency Distribution byTally Bar Method
  12. Problem 1: Formation of Frequency Distribution by Tally Bar Method
  13. Formation of Frequency Distribution by Direct Method
  14. Problem 1: Formation of Frequency Distribution by Direct Method
  15. Graph of Frequency Distribution by Histogram
  16. Problem 1: Constructing Histogram with Equal Intervals
  17. Construction of Frequency Polygon
  18. Problem 1: Construction of Frequency Polygon
  19. Advantages and Disadvantages of Graphs
  20. Problem 1: Advantages and Disadvantages of Graphs
  21. Discrete Frequency Table
  22. Constructing Histogram with Unequal Intervals
  23. Problem:Constructing Histogram with Unequal Intervals
  24. Construct a Cumulative Frequency Polygon for the Given Data or Ogive
  25. Construct a Cumulative Frequency Polygon for the Given Data (Ogive)
  26. Introduction to Graphs
  27. Problem 1: Introduction to Graphs
  28. Pictograms
  29. Line Graphs
  30. Dot Diagram
  31. Stem and Leaf Diagram
  32. Classification of data by Graphs
  33. Problem 1: Classification of data by Graphs
  34. Simple Bar Diagram
  35. Problem 1: Simple Bar Diagram
  36. Multiple Bar Diagram
  37. Problem-Classifying data by graphs
  38. Pie Diagram
  39. Problem 1: Pie Diagram
4.8: The probability  (Practice Test)
  1. Basic Terminology
  2. Possible Outcomes in the Sample Space
  3. Problem-Possible Outcomes in the Sample Space
  4. Definition of Probability
  5. Problem-Definition of Probability
  6. Probability and Venn Diagrams
  7. More on Probability and Venn Diagrams
  8. Problem Solving Strategies in Probability
  9. Simple Combined Events and Possibility Diagrams
  10. Problem-Simple Combined Events and Possibility Diagrams
  11. Simple Combined Events and Tree Diagrams
  12. Addition of Probabilities and Mutually Exclusive Events
  13. Problem-Addition of Probabilities of Mutually Exclusive Events
4.9: Probablities with and without replacements
  1. Types of Variables
  2. Problem 1: Types of Variables