Author Question: This nonparametric test is used when you have ordinal data and more than two independent groups. ... (Read 108 times)

kamilo84 · **on:** Jun 20, 2018

This nonparametric test is used when you have ordinal data and more than two independent
groups.

A) Kruskal-Wallis H Test
B) chi-square test for two levels of a single nominal variable
C) rank sums test
D) Wilcoxon T Test
E) Mann-Whitney U Test

Question 2

In a scientific study, the variable that is typically manipulated by the researcher and is presumed to influence the outcome of the study is known as the

a. independent variable.
b. dependent variable.
c. control variable.
d. confounded variable.