Using the critical value rule, if a two-sided null hypothesis is rejected for a single mean at a given significance level, the corresponding one-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

In a two-sided test, the error is split in two to represent the two tails and is more stringent than a one-sided test.

Using the Critical Value Rule, If a Two-Sided Null Hypothesis