The expected value of t under the null hypothesis _____.
A)equals 1
B)equals 0
C)depends on the degrees of freedom
D)varies depending on the alpha level

Question

Quizplus · Accepted Answer

Under the null hypothesis, the t statistic follows a t-distribution with n-1 degrees of freedom. The expected value of the t-distribution is 0. Therefore, the answer is B, which states that the expected value of t under the null hypothesis equals 0.

The Expected Value of T Under the Null Hypothesis _____