In what type of test is the variable of interest the difference between the values of the observations rather than the observations themselves?
A)A test for the equality of variances from 2 independent populations.
B)A test for the difference between the means of 2 related populations.
C)A test for the difference between the means of 2 independent populations.
D)All of the above.

Question

Quizplus · Accepted Answer

In a test for the difference between the means of 2 related populations, the variable of interest is the difference between the values of the observations. In contrast, option A is about the equality of variances and option C is about the means of 2 independent populations, with the variable of interest being the observations themselves.

In What Type of Test Is the Variable of Interest