If a null hypothesis is rejected at a 1% significance level,
A)It may or may not be rejected at a 5% significance level.
B)It will not be rejected at a 5% significance level.
C)It will also be rejected at a 5% significance level.
D)The survey needs to be repeated in order to determine the conclusion at a 5% significance level.
E)none of the above

Question

Quizplus · Accepted Answer

Rejecting a null hypothesis at a 1% significance level implies that the results are statistically significant even under a stricter criterion. Therefore, it will also be rejected at a 5% significance level, which is a less strict criterion.

If a Null Hypothesis Is Rejected at a 1% Significance