Range, variance and standard deviation as measures of dispersion | Khan Academy
6:45
Stem and Leaf Plots
9:30
Measures of Variability (Range, Standard Deviation, Variance)
10:38
Sample variance | Descriptive statistics | Probability and Statistics | Khan Academy
10:21
Standard Deviation Formula, Statistics, Variance, Sample and Population Mean
11:47
Measures of Spread: Crash Course Statistics #4
8:05
Variance of a population | Descriptive statistics | Probability and Statistics | Khan Academy
12:29
Mean deviation, variance and standard deviation of grouped data.
17:04