Which statistic measures the strength of an association between two variables?
A)the mean
B)the median
C)the correlation coefficient
D)a rate
E)all of these choices

Question

Quizplus · Accepted Answer

The correlation coefficient measures the strength and direction of the linear relationship between two variables. The mean and median are measures of central tendency and rates are a type of proportion or ratio, none of which directly measure the strength of association between two variables.

Which Statistic Measures the Strength of an Association Between Two