The power of the test
A)is the probability that the test actually incorrectly rejects the null hypothesis when the null is true.
B)depends on whether you use or 2 for the t-statistic.
C)is one minus the size of the test.
D)is the probability that the test correctly rejects the null when the alternative is true.

Question

The power of the test
A)is the probability that the test actually incorrectly rejects the null hypothesis when the null is true. 
B)depends on whether you use or 2 for the t-statistic. 
C)is one minus the size of the test. 
D)is the probability that the test correctly rejects the null when the alternative is true.

Quizplus · Accepted Answer

The power of the test is defined as the probability of correctly rejecting the null hypothesis when the alternative hypothesis is true. Therefore, the correct choice is D.

The Power of the Test