The _________coefficient (r) is a ratio between the covariance (variance shared by two variables) and a measure of the separate variances.
A)regression
B)elasticity
C)correlation
D)mean

Question

Quizplus · Accepted Answer

The correlation coefficient (r) measures the strength and direction of a linear relationship between two variables, calculated as the ratio between their covariance and the product of their standard deviations, which are measures of their separate variances.

The _________Coefficient (R) Is a Ratio Between the Covariance (Variance