A two-tailed test is conducted at the 5% significance level. What is the smallest z-score listed below that results in rejection of the null hypothesis?
A) 1.17
B) 1.58
C) 1.81
D) 2.89

Question

Quizplus · Accepted Answer

In a two-tailed test at the 5% significance level, the critical z-scores are approximately ±1.96. A z-score of 2.89 is beyond this critical value, leading to rejection of the null hypothesis.

A Two-Tailed Test Is Conducted at the 5% Significance Level