Which of the following conditions distinguishes a Friedman test from a Mann-Whitney U test?
A)the number of levels of the independent variable
B)the measurement scale of the dependent variable
C)the measurement scale of the independent variable
D)all of these

Question

Quizplus · Accepted Answer

The Friedman test is used for analyzing data with three or more related groups, while the Mann-Whitney U test is used for comparing two independent groups. Therefore, the number of levels of the independent variable is the distinguishing factor between the two tests. The measurement scale of the dependent and independent variables does not affect this distinction.

Which of the Following Conditions Distinguishes a Friedman Test from a Mann-Whitney