Suppose from a data set of distance measurements in yards and time measurements in hours, the value of r is found to be 0.82. What would the value of r be if the distances were measured in feet and time in minutes.
A) -.82
B) .82
C) .27
D) .01

Question

Quizplus · Accepted Answer

The correlation coefficient (r) is a unitless measure of the strength and direction of a linear relationship between two variables. Changing the units of measurement does not affect the value of r.

Suppose from a Data Set of Distance Measurements in Yards