Question: If you are comparing two samples (each sample has 20 observations), which test will give you the most conservative outcome? A.the Z test B.the pooled

If you are comparing two samples (each sample has 20 observations), which test will give you the most conservative outcome?

A.the Z test

B.the pooled variance t-test

C.the t-test with separate variances

D.all of the tests should give you the same outcome since the sample does not change

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