Suppose that you are conducting a hypothesis test about a population mean.Holding all other relevant factors constant,which of the following actions will result in an increase in the size of the rejection region?
A)Increase the sample size.
B)Decrease the sample size.
C)Increase the sample size and decrease the level of significance.
D)Decrease the sample size and increase the level of significance.
E)Increase the level of significance.

Question

Quizplus · Accepted Answer

Increasing the level of significance (alpha) directly increases the size of the rejection region. A higher alpha means you're more willing to reject the null hypothesis, thus expanding the rejection area.

Suppose That You Are Conducting a Hypothesis Test About a Population