Basic Statistics

Khyber Pakhtunkhwa Board > Class 9 > General Math (Total Videos: 423)

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Chapter 10: Basic Statistics (94 videos)   (Practice Test)
10.1: Frequency Distribution  (Practice Test)
  1. Construction of Continuous Frequency Table
  2. Problem 1: Construction of Continuous Frequency Table
  3. Ungrouped & Grouped Data
  4. Problem 1: Ungrouped & Grouped Data
  5. Classification & No. of Classes
  6. Problem 1: Classification & No. of Classes
  7. Class interval & Class Limits
  8. Problem 1: Class interval & Class Limits
  9. Class Mark & Class Boundaries.
  10. Problem 1: Class Mark & Class Boundaries.
  11. Class Frequency
  12. Problem 1: Class Frequency
  13. Uses and Properties of Range
  14. Problem 1: Uses and Properties of Range
  15. Graph of Frequency Distribution by Histogram
  16. Problem 1: Constructing Histogram with Equal Intervals
  17. Constructing Histogram with Unequal Intervals
  18. Problem:Constructing Histogram with Unequal Intervals
  19. Construction of Frequency Polygon
  20. Problem 1: Construction of Frequency Polygon
10.2: Cumulative Frequency  (Practice Test)
  1. Cumulative Frequency Distribution
  2. Find the Cumulative Frequency
  3. Construct a Cumulative Frequency Polygon for the Given Data or Ogive
  4. Construct a Cumulative Frequency Polygon for the Given Data (Ogive)
10.3: Measure of Central Tendency or Average  (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. Geometric Mean of Ungrouped Data
  18. Geometric Mean of Ungrouped Data by Logarithm
  19. Problem: Geometric Mean of Ungrouped Data by Logarithm
  20. Geometric Mean of Grouped Data by Logarithm
  21. Problem: Geometric Mean of Grouped Data by Logarithm
  22. Harmonic Mean for Ungrouped Data
  23. Problem: Harmonic Mean for Ungrouped Data
  24. Harmonic Mean for Grouped Data
  25. Problem: Harmonic Mean for Grouped Data
  26. Median for Ungrouped Data
  27. Problem 1: Median for Ungrouped Data
  28. Median for Grouped Continuous Data
  29. Problem 1: Median for Grouped Continuous Data
  30. Median for Grouped Discrete Data
  31. Problem:Median for Grouped Discrete Data
  32. Mode for Ungrouped Discrete Data
  33. Problem 1: Mode for Ungrouped Discrete Data
  34. Mode for Grouped Data
  35. Problem 1: Mode for Grouped Data
  36. Problem-Mode for Grouped Continuous Data
  37. Median, Quartiles and Percentiles
  38. Quartiles for Individual Observations
  39. More on Quartiles for Individual Observations
10.4: Estimation of Madian, Mode and Quartiles Graphically
  1. Estimating Quartiles for Grouped Data using Graph
  2. Graphical Location of Median Quartiles & Mode
10.5: Properties of Arithmetic Mean  (Practice Test)
  1. Properties of Arithmetic Mean
  2. More on Properties of Arithmetic Mean
10.6: Weighted Average  (Practice Test)
  1. Calculation of Weighted Mean
  2. Problem: Calculation of Weighted Mean
  3. Calculation of Moving Mean
  4. Problem: Calculation of Moving Mean
10.7: Measure of Dispersion  (Practice Test)
  1. Concept of Dispersion
  2. Problem 1: Concept of Dispersion
  3. Types of Measures of Dispersion
  4. Problem 1: Types of Measures of Dispersion
  5. Problem 2: Types of Measures of Dispersion
  6. Calculation of Range for Raw or Ungrouped Data
  7. Problem 1: Calculation of Range for Raw or Ungrouped Data
  8. Calculation of Range for Grouped Data
  9. Problem 1: Calculation of Range for Grouped Data
  10. Introduction to Variance and Standard deviation
  11. Problem 1: Introduction to Variance & S.D
  12. Calculation of the Variance and Standard Deviation by Direct Method
  13. Problem 1: Calculation of Variance by Direct Method
  14. Calculation of Variance by Proper Mean Formula
  15. Calculation of Variance of Grouped Data by Proper Mean Formula
  16. Calculation of Variance by Short Cut Method
  17. Problem 1: Calculation of Variance by Short Cut Method
  18. Calculation of S.D by Short Cut Method
  19. Problem 1: Calculation of S.D by Short Cut Method
  20. Calculation of Standard Deviation by Proper Mean Formula
  21. Problem 1: Calculation of S.D by Proper Mean formula
  22. Calculation of S.D by Direct Method
  23. Problem 1: Calculation of S.D by Direct Method