How would a perfect correlation (r=1) between two variables look on a scatterplot?
A) The data points would form a horizontal line
B) The data points would form a vertical line
C) The data points would form a line from the lower left to the upper right
D) The data points would form a line from the upper left to the lower right

Question

Quizplus · Accepted Answer

A perfect correlation (r=1) indicates a perfect positive linear relationship between two variables, meaning as one variable increases, the other variable increases at a constant rate. This relationship is represented on a scatterplot by data points that form a straight line from the lower left to the upper right.

How Would a Perfect Correlation (R=1) Between Two Variables Look