The __________ is a hypothesis-testing procedure in which there are two separate groups of people tested and the population variance is not known.
A)t test for dependent means
B)t test for a single sample
C)t test for independent means
D)t test for repeated measures

Question

Quizplus · Accepted Answer

The t test for independent means is the appropriate choice when there are two separate groups being tested and the population variance is not known. The other options (t test for dependent means, t test for a single sample, and t test for repeated measures) either involve testing one group or assume knowledge of the population variance.

The __________ Is a Hypothesis-Testing Procedure in Which There Are