00:00 - 02:34
2m 34s
Explains how test statistics help measure group differences.
Video Transcript
Related Clips
How to evaluate whether effect size is practically significant.
An example of how using independant data decreases degrees of freedom.
How degrees of freedom and effect size determine the usefulness of a statistical study.
Explains the critical t-value method for two-sample t-tests.
Uses an example to show how overwelming evidence can alter preconcieved beliefs.