Lecture video for “Data Sense: An Introduction to Statistics for the Behavioral Sciences” by Barton Poulson. This video covers Chapter 10: The Analysis of Variance (ANOVA), Section 05: Test Statistic and Distribution. It explains how F, the test statistic for the analysis of variance, is calculated, and observed values are compared to critical values in the null distribution. The book and complete set of videos may be purchased at http://kendallhunt.com/poulson/.