An Ftest for equality of variances gives a pvalue of 003 At

An F-test for equality of variances gives a p-value of .003. At = .05, what conclusion can be made about the preferred test to compare the means for the same sample?

A) We would prefer a paired t-test for equality of means.

B) The variances have nothing to do with the t-test for equality of means.

C) We would not wish to pool the variances in a t-test for equality of means.

D) We would prefer a pooled variance t-test for equality of means.

Solution

The answer is A, that is, we will prefer paired t-test for equality of means.