If we used a 5% level of significance,how would you define the rejection region for this test? A)z 1.96 B)z 1.645 D)z 1.96 E)z 1.645

Question

If we used a 5% level of significance,how would you define the rejection region for this test? A)z < -1.96 and z > 1.96 B)z < -1.645 C)z > 1.645 D)z > 1.96 E)z < -1.645 and z > 1.645

Quizplus · Accepted Answer

The rejection region for a two-tailed test at a 5% level of significance corresponds to z scores that are beyond the critical values of ±1.96. This means we reject the null hypothesis if the test statistic is less than -1.96 or greater than 1.96.

If We Used a 5% Level of Significance,how Would You