Which of the following distinguishes assumptions about parametric and nonparametric tests?
A) one uses the median, the other uses the mean.
B) Parametric tests are used for qualitative data, but nonparametric tests can analyze quantitative data
C) Parametric tests are used for quantitative data, but nonparametric tests can be used to analyze qualitative data.
D) Parametric tests become more normal as you increase the number of categories, and nonparametric tests assume normality in the data's distributions.

Question

Quizplus · Accepted Answer

Parametric tests assume that the data being analyzed follows a normal distribution, and are therefore used for quantitative data. Nonparametric tests do not make assumptions about the shape of the distribution and can be used for both quantitative and qualitative data. Therefore, option C correctly distinguishes between the assumptions of parametric and nonparametric tests. The other options are incorrect or inaccurate.

Which of the Following Distinguishes Assumptions About Parametric and Nonparametric