Nonparametric tests are used rather than a t test or an ANOVA when
A) the researcher does not know the specific value of the population parameters
B) the data are in the form of ranks
C) the assumption of random assignment is not justified
D) a null hypothesis cannot be specified.

Question

Quizplus · Accepted Answer

Nonparametric tests are used when data do not meet the assumptions required for parametric tests, such as when data are ordinal or in the form of ranks.

Nonparametric Tests Are Used Rather Than a T Test or an ANOVA