Measures of Dispersion

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

3.1: Dispersion(Practice Test)

1. Applications of Dispersion
2. Dispersion

3.2: Range

1. Range of Ungrouped Data
2. Problem 1: Calculation of Range for Raw or Ungrouped Data
3. Calculation of Range for Grouped Data
4. Problem 1: Calculation of Range for Grouped Data

3.3: Mean Deviation

1. Mean Deviation of Ungrouped Data
2. Problem-Mean Deviation for Ungrouped Data by Mean
3. Problem-Mean Deviation for Ungrouped Data by Median
4. Mean Deviation of Ungrouped Data from Mode
5. Problem-Mean Deviation for Ungrouped Data by Mode
6. Mean Deviation of Grouped Data from Mean
7. Problem-Mean Deviation for Grouped Data by Mean
8. Mean Deviation of Grouped Data from Median
9. Problem-Mean Deviation for Grouped Data by Median
10. Calculate the Mean Deviation from the following Group Data according
11. Problem-Mean Deviation for Grouped Data by Mode

3.4: Quartile Deviation(Practice Test)

1. Concept of Quartile Deviation
2. Problem-Concept of Quartile Deviation
3. Interquartile Range for Data Set Represented in Different Ways
4. More on Interquartile Range for Data Set Represented in Different Ways

3.5: Variance and Standard Deviation(Practice Test)

1. Variance and Standard Deviation
2. Problem 1: Introduction to Variance & S.D
3. Variance and Standard Deviation of Ungrouped Data
4. Calculation of the Variance and Standard Deviation by Direct Method
5. Variance and Standard Deviation of Ungrouped Data by Short Method
6. Variance and Standard Deviation of Ungrouped Data by Short-cut Method
7. Variance and Standard Deviation of Grouped Data
8. Variance and Standard Deviation of Grouped Data by Short Method
9. Variance and Standard Deviation of Grouped Data by Short-cut Method
10. Variance and Standard Deviation of Grouped Data by Coding Method
11. Effect of Change of Origin and Scale on S.D
12. Properties of Variance and Standard Deviation
13. More on Properties of Variance and Standard Deviation
14. More on Properties of Variance and Standard Deviation

3.6: Coefficient of Dispersion(Practice Test)

1. Absolute and Relative Dispersion
2. Coefficient of Dispersion and Its Measure
3. Range Coefficient of Dispersion and its measure
4. Problem-Range Coefficient of Dispersion and its measure
5. Coefficient of Variation and its Measure
6. More on Problem-Coefficient of Dispersion and Its Measure
7. Quartile Coefficient of Relative Dispersion and its Measure
8. Quartile Coefficient of Relative Dispersion and its Measure
9. Mean Coefficient of Dispersion

3.7: Moments(Practice Test)

1. Introducing Moments
2. Introducing Moments
3. More on Introducing Moments
4. Problem-Introducing Moments
5. More on Problem-Introducing Moments
6. Problem-Moments for group data
7. Problem-Moments for group data
8. Prob-Relation Between Mean Moments and Raw Moments
9. More on Prob-Relation Between Mean Moments and Raw Moments

3.8: Skewed vs Unskewed Curves(Practice Test)

1. Introducing Skewness
2. Skewed Vs Unskewed Curves
3. More on Skewed Vs Unskewed Curves
4. Measures of Skewness
5. More on Measures of Skewness
6. Problem-Measures of Skewness

3.9: Kurtosis(Practice Test)

1. Kurtosis and Its Measurements
2. More on Kurtosis and Its Measurements
3. Problem-Measures of Kurtosis
4. More on Problem-Measures of Kurtosis