If the critical region begins at Z (critical) =±2.56 and the test statistic is - 2.50, we________.
A) fail to reject the null hypothesis
B) reject the null hypothesis.
C) cannot make a decision because the test statistic is so close to the critical region.
D) change the alpha level.

Question

Quizplus · Accepted Answer

Since the test statistic of -2.50 does not fall in the critical region of ±2.56, we fail to reject the null hypothesis.

If the Critical Region Begins at Z (Critical) =±2