A two-tailed test is performed at the .05 level of significance. The p-value is determined to be .01. The null hypothesis
A) must be rejected.
B) should not be rejected.
C) could be rejected, depending on the sample size.
D) has been designed incorrectly.

Question

Quizplus · Accepted Answer

The p-value of .01 is less than the level of significance of .05, indicating that the results are statistically significant. Therefore, the null hypothesis must be rejected.

A Two-Tailed Test Is Performed at the