When conducting an independent samples t test, which of the following must be true?
A)Both variables must be nominal.
B)Both variables must be interval.
C)At least two variables must be ratio.
D)One variable must be nominal (with two categories), and one must be interval.

Question

Quizplus · Accepted Answer

In an independent samples t-test, one variable is indeed nominal with two categories (representing two groups being compared), and the other variable must be interval or ratio (as these are the types of data suitable for mean comparison).

When Conducting an Independent Samples T Test, Which of the Following