A nonparametric test would be used if _____.
A) nominal data are available
B) interval data are available
C) it is known that the population is normally distributed
D) None of the answers is correct.

Question

Quizplus · Accepted Answer

Nonparametric tests are used when the data is not normally distributed or the sample size is small or unknown. Nonparametric tests do not require assumptions about the shape or parameters of the distribution. Nominal data, which are categorical data that cannot be ranked or ordered, are a common type of data for which nonparametric tests are used.

A Nonparametric Test Would Be Used If _____