An analysis of variance differs from a t test for independent means in that an analysis of variance

A) is usually used to compare two groups, while a t test for independent means can be used to compare two or more groups.
B) can be used to compare three or more groups, while a t test for independent means cannot be used to compare more than two groups.
C) is conducted before the experiment, while a t test for independent means is conducted after the experiment.
D) includes computation of group variances as part of the analysis, while a t test does not include these computations.

B