A right-tailed test is conducted at the 5% significance level. Which of the following z-scores is the smallest one in absolute value that leads to rejection of the null hypothesis?
A) 1.61
B) 1.85
C) -1.98
D) -2.06

Question

Quizplus · Accepted Answer

For a right-tailed test at the 5% significance level, the critical z-value is approximately 1.645. Any z-score greater than this value will lead to rejection of the null hypothesis. 1.85 is the smallest z-score greater than 1.645.

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