An analysis of variance (ANOVA) differs from atest for independent means (t test) in that an ANOVA
A) is usually used to compare the means of two groups but a t test is used to compare three groups.
B) is used to compare the means of three or more groups whereas a t test is used to compare two groups.
C) is conducted before the experiment whereas a t test is conducted after the experiment.
D) figures variances as part of the analysis whereas a t test does not figure variances.
Answer: B
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