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

Question

Quizplus · Accepted Answer

If the population standard deviation is assumed to be known, a z test would be appropriate rather than a t test. The z test is used when the standard deviation of the population is known, while the t test is used when the standard deviation of the population is unknown and must be estimated from the sample. The F test is used to compare the variances of two or more populations, which is not relevant to this scenario.

If the Population Standard Deviation Was Assumed to Be Known,rather