Brian is interested in whether there is a relationship between one's gender and the length of time spent talking on the phone. Which correlation coefficient should Brian use?
A) phi coefficient
B) point-biserial correlation
C) Spearman rho
D) Spearman-Brown coefficient

Question

Quizplus · Accepted Answer

Since gender is a dichotomous variable (male or female), the appropriate correlation coefficient to use is the point-biserial correlation. This coefficient measures the relationship between a dichotomous variable and a continuous variable.

Brian Is Interested in Whether There Is a Relationship Between