Author Question: The Wilcoxon rank-sum test uses _____, and the Wilcoxon matched-pairs signed-ranks T test uses ... (Read 264 times)

kfurse · **on:** Jun 20, 2018

The Wilcoxon rank-sum test uses _____, and the Wilcoxon matched-pairs signed-ranks T test uses _____.

a. ordinal data; nominal data
b. interval data; ordinal data
c. a between-subjects design; a within-subjects design
d. a within-subjects design; a between-subjects design

Question 2

A correlation between one interval/ratio variable and one ordinal variable is measured using the _____ coefficient, and the correlation between one interval/ratio variable and one nominal variable is measured using the _____ coefficient.

a. Pearson product-moment correlation; Spearman rank-order correlation
b. Spearman rank-order correlation; point-biserial correlation
c. phi; Spearman rank-order correlation
d. Pearson product-moment correlation; point-biserial correlation