Psychology Videos > Research Methods & Statistics

Variance of a Population

In this video, Sal Khan from Khan Academy provides an introduction to descriptive statistics and central tendency. Ways to measure the average of a set: median, mean, mode.

Research Methods & Statistics Videos


Descriptive Statistics Overview (Khan Academy)	Variance of a Population (Khan Academy)	Sample Variance (Khan Academy)


The Normal Distribution (Khan Academy)	Confidence Interval (Khan Academy)	One-Tailed and Two-Tailed Tests (Khan)


The Scientific Method: Steps, Terms and Examples	Hypothesis Testing and P-Value (Khan Academy)	Type 1 and Type 2 Errors (Khan)


Research Methods Part 1 of 3 (w/Zimbardo)	Research Methods Part 2 of 3 (w/Zimbardo)	Research Methods Part 3 of 3 (w/Zimbardo)