What statistic should be used to find out whether there is a relationship between high school class rank and first-semester college GPA rank?
A)The Pearson correlation coefficient
B)The Spearman rank-order correlation coefficient
C)The point-biserial correlation coefficient
D)The nonlinear correlation coefficient

Question

Quizplus · Accepted Answer

The Spearman rank-order correlation coefficient should be used to find out whether there is a relationship between high school class rank and first-semester college GPA rank. This is because both variables are measured on an ordinal scale, meaning that their values can be ranked. The Spearman correlation coefficient is designed to measure the strength and direction of a monotonic relationship between two ordinal variables.

What Statistic Should Be Used to Find Out Whether There