A ______ is used to evaluate ______.
A) z-score; the mean of a sample
B) t-test; the difference between two means
C) z-score; the difference between a sample mean and a population mean
D) t-test; a score on a variable

Question

Quizplus · Accepted Answer

A t-test is used to evaluate the difference between two means. A z-score is not used for comparing means, but rather for calculating how many standard deviations a score is from the mean.

A ______ Is Used to Evaluate ______

A Is Used to Evaluate