Which of the following is not one of the assumptions of the independent samples t test?
A) Independent and random selection of subjects.
B) The dependent variable can be measured on an interval or ratio scale.
C) The dependent variable is normally distributed in the population.
D) Homogeneity of variance of the independent variable in the population of interest.

Question

Quizplus · Accepted Answer

The assumption of homogeneity of variance applies to the dependent variable across groups defined by the independent variable, not to the independent variable itself. The independent variable is typically categorical in the context of an independent samples t-test.

Which of the Following Is Not One of the Assumptions