The t distribution has a mean equal to
A) that specified by the null hypothesis
B) that specified by the alternative hypothesis
C) that of the sample
D) zero.

Question

Quizplus · Accepted Answer

The t distribution is centered around zero, which means its mean is equal to zero. This is because the t distribution is used to estimate the population mean when the population standard deviation is unknown, and it does this by standardizing around a mean of zero to facilitate comparison.

The T Distribution Has a Mean Equal to