If the x and y coordinates of a scatterplot are exchanged, the correlation of the variables:
A) remains unchanged.
B) changes to its reciprocal.
C) changes to its negative reciprocal.
D) None of the above.

Question

Quizplus · Accepted Answer

The correlation coefficient is a measure of the linear relationship between two variables, and it remains unchanged if the x and y coordinates are exchanged. This is because correlation is symmetric with respect to X and Y.

If the X and Y Coordinates of a Scatterplot Are