The t test differs from the z test in that _________.
A) with the t test we estimate s
B) with the t test we estimate µ
C) the z distribution is a family of curves
D) the t distribution is a family of curves
E) with the t test we estimate s and the t distribution is a family of curves

Question

Quizplus · Accepted Answer

The t test differs from the z test in that with the t test we estimate the population standard deviation (s) instead of knowing it, and the test statistic follows a t distribution, which is a family of curves that varies depending on the sample size.

The T Test Differs from the Z Test in That