If the population standard deviation was assumed to be known, rather than estimated from the sample, a would be appropriate rather than a(n) .
A) z test; F test
B) t test; F test
C) z test; t test
D) t test; z test

Question

Quizplus · Accepted Answer

When the population standard deviation is known, a z test is appropriate rather than a t test, which is used when the standard deviation is estimated from the sample.

If the Population Standard Deviation Was Assumed to Be Known