When are nonparametric procedures used instead of parametric procedures?
A)When a more powerful test is needed
B)When our data do not meet the assumptions of parametric procedures
C)When our sample is relatively small
D)When measurement is interval or ratio

Question

Quizplus · Accepted Answer

Nonparametric procedures are used when our data do not meet the assumptions of parametric procedures, such as normality and equal variance. Nonparametric procedures do not rely on assumptions about the underlying distribution of the data and are therefore more robust in such cases.

When Are Nonparametric Procedures Used Instead of Parametric Procedures