The Pearson coefficient of correlation r equals one when there is no:
A)linear relationship between x and y.
B)unexplained variation.
C)y-intercept in the model.
D)slope in the model.

Question

Quizplus · Accepted Answer

The Pearson coefficient of correlation, r, equals one when there is a perfect positive linear relationship between x and y, meaning there is no unexplained variation in the relationship. All points lie perfectly on a straight line with a positive slope.

The Pearson Coefficient of Correlation R Equals One When There