You should use a pooled t-test versus a non-pooled t-test when
A) the samples are matched.
B) the variance of the two populations are equal.
C) the sample sizes of both groups are the same.
D) None of the above.
E) A and C.

Name: You should use a pooled t-test versus a non-pooled t-test when A) the samples are matched. B) the variance of the two populations are equal. C) the sample sizes of both groups are the same. D) None of the above. E) A and C.
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The Answer is B

You Should Use a Pooled T-Test Versus a Non-Pooled T-Test