If a hypothesis is rejected at the .025 level of significance,it:
A) must be rejected at any level.
B) must be rejected at the .01 level.
C) must not be rejected at the .01 level.
D) may be rejected or not rejected at the .01 level.

Question

Quizplus · Accepted Answer

Rejecting a hypothesis at the .025 level of significance means that the evidence against the null hypothesis is strong enough to reject it with a probability of error of 2.5%. However, when considering a stricter significance level, such as .01, it's uncertain without more information whether the hypothesis would still be rejected. The evidence might not be strong enough to meet the stricter criterion, hence the outcome could go either way.

If a Hypothesis Is Rejected at the