In a correlated groups experiment, if we must estimate the population standard deviation to determine the significance of the sample results, the appropriate statistical test is _________.
A) t test
B) sign test
C) z test
D) none of these

Question

Quizplus · Accepted Answer

The appropriate statistical test for a correlated groups experiment when estimating the population standard deviation is a t test. The t test allows us to compare the means of two related groups with unknown population standard deviations.

In a Correlated Groups Experiment, If We Must Estimate the Population