Using either the critical value rule or the p-value rule, if a one-sided null hypothesis for a single mean cannot be rejected at a given significance level, then the corresponding two-sided null hypothesis (i.e., the same sample size, the same standard deviation, and the same mean) will ________ be rejected at the same significance level.
A) always
B) sometimes
C) never

Question

Quizplus · Accepted Answer

Since you are going from less stringent to more stringent, you will not reject the null hypotheses at the more stringent confidence level.

Using Either the Critical Value Rule or the P-Value Rule