Question

select the appropriate word or phrase to complete the sentence. the correlation coefficient measures only the strength of the select between variables. linear relationship positive association nonlinear relationship negative association

Explanation:

The correlation coefficient, like the Pearson - correlation coefficient, only measures the strength and direction of a linear relationship between two variables. It does not capture nonlinear relationships. Positive and negative association are aspects of linear relationships it can measure, but it's more general to say it measures linear relationships.

Answer:

linear relationship