The expected value of t if the null hypothesis is true would
A) equal 1.
B) equal 0.
C) depend on the degrees of freedom.
D) vary depending on the alpha level.

Question

Quizplus · Accepted Answer

If the null hypothesis is true, then the difference between the sample mean and the hypothesized population mean is zero. Therefore, the expected value of t, which is computed using this difference, would also be zero.

The Expected Value of T If the Null Hypothesis Is