Exhibit 13-2: Choose the correlation coefficient that matches the following types of scales.
-Refer to Exhibit 13-2.Both variables are on an ordinal scale.
A) Pearson's r
B) Spearman rho
C) phi coefficient

Question

Quizplus · Accepted Answer

Spearman rho is the appropriate correlation coefficient to use when both variables are on an ordinal scale. It measures the strength and direction of the relationship between two variables ranked in order. Pearson's r is only appropriate for use with interval or ratio level data, while phi coefficient is used with nominal data.

Exhibit 13-2: Choose the Correlation Coefficient That Matches the Following