12:04

Introduction to Random Variables

13:07

Statistics: Standard deviation | Descriptive statistics | Probability and Statistics | Khan Academy

12:35

Statistics: The average | Descriptive statistics | Probability and Statistics | Khan Academy

12:23

Statistics: Variance of a population | Probability and Statistics | Khan Academy

29:43

Probability and Statistics: Overview

12:34

Range, variance and standard deviation as measures of dispersion | Khan Academy

11:18

Statistics: Sample variance | Descriptive statistics | Probability and Statistics | Khan Academy

9:49

Central limit theorem | Inferential statistics | Probability and Statistics | Khan Academy