If the ANOVA Method Is Used to Test for Differences

Multiple Choice

If the ANOVA method is used to test for differences between means,then why is it called an "analysis of variance"?

A) Because the amount differences among the set of group means is determined by calculating the variance of those group means.
B) Because means and variances are basically the same thing.
C) Because statisticians feel it is important to have multiple names for the same thing.
D) Because the differences between means is determined by averaging the variances.