are based on the idea that subjects are randomly assigned to groups. A) parametric tests B) nonparametric tests C) both of the descriptive alternatives are correct D) neither of the descriptive alternatives is correct

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Quizplus · Accepted Answer

Parametric tests are based on the assumption that the data are normally distributed and that the variances of the groups being compared are equal. Nonparametric tests do not make these assumptions and can be used with data that are not normally distributed or that have unequal variances.

Are Based on the Idea That Subjects Are Randomly