Author Question: The Mann-Whitney test is to independent samples t test as Wilcoxon's matched-pairs signed-ranks test ... (Read 219 times)

809779 · **on:** Jun 20, 2018

The Mann-Whitney test is to independent samples t test as Wilcoxon's matched-pairs signed-ranks test is to

a. Kruskal-Wallis ANOVA.
b. one-way repeated-measures ANOVA.
c. related sample means t-test.
d. Friedman's rank test for k correlated samples.

Question 2

One major argument promoting the use of parametric tests over distribution-free tests is that parametric tests are

a. easier to calculate.
b. usually robust enough to be unaffected by violation of assumptions.
c. less affected by outliers than distribution-free tests.
d. used less frequently and therefore must be more elite.