There are two major types of nonparametric counterparts to parametric test: _____ tests and _____ tests.
A)robust;nonrobust
B)significance;nonsignificance
C)rank;signed
D)signed;unsigned

Question

Quizplus · Accepted Answer

Nonparametric tests are often used when the assumptions of parametric tests are not met or when the data is not normally distributed. Rank tests, such as the Wilcoxon signed-rank test and Mann-Whitney U test, compare the medians of two or more groups based on the rank ordering of the data. Signed tests, such as the sign test and Wilcoxon signed-rank test, compare the difference between paired observations or the change in measurements within a single group based on the sign of the differences. Therefore, the correct answer is C, rank and signed tests.

There Are Two Major Types of Nonparametric Counterparts to Parametric