Which of the following assumptions of the independent samples t test is not accurate?
A)The dependent variable must be an interval or ratio variable.
B)The independent variable must be a nominal variable.
C)The dependent variable need not be normally distributed in both of the independent variable levels.
D)A sample should be drawn from populations with equal variances on the dependent variable.

Question

Quizplus · Accepted Answer

The assumption that the dependent variable need not be normally distributed in both of the independent variable levels is not accurate. For an independent samples t-test, it is generally assumed that the dependent variable is approximately normally distributed within each group defined by the independent variable, especially as sample sizes decrease.

Which of the Following Assumptions of the Independent Samples T