For a one-tailed test, the critical value:
A) divides the sampling distribution into three parts.
B) is the number of standard errors away from the sample mean.
C) helps determine if the test statistic falls in the rejection region or not.
D) fails to reject the null hypothesis if the test statistic exceeds the critical value.

Question

Quizplus · Accepted Answer

The critical value in a one-tailed test determines the boundary of the rejection region. If the test statistic falls beyond this value, it indicates that the null hypothesis should be rejected, thus helping to decide whether the observed data falls into the region of rejection or not.

For a One-Tailed Test, the Critical Value