In testing for the equality of means from two independent populations,if the hypothesis of equal population means is rejected at $\alpha$ = .01,it will __________ be rejected at $\alpha$ = .05.
A)Always
B)Sometimes
C)Never

Question

Quizplus · Accepted Answer

If the null hypothesis is rejected at a significance level of 0.01, it means the test statistic is in the critical region for both 0.01 and the less stringent 0.05 level, so it will always be rejected at 0.05.

In Testing for the Equality of Means from Two Independent α\alphaα

In Testing for the Equality of Means from Two Independent $\alpha$