When conducting a hypothesis test about a population mean at a given level of significance,as the sample size n increases the power of the test _____.
A)decreases
B)increases
C)may increase or decrease
D)remains the same
E)will converge to the probability of a Type II error.

Question

Quizplus · Accepted Answer

As the sample size increases, the standard error of the mean decreases, which increases the power of the test. This means that the test is more likely to correctly reject the null hypothesis when it is false, decreasing the probability of a Type II error.

When Conducting a Hypothesis Test About a Population Mean at a Given