In a given group, the correlation between height measured in feet and weight measured in pounds is +.68. Which of the following would alter the value of r?
A) height is expressed in centimeters
B) weight is expressed in kilograms
C) neither of the above changes will affect r
D) both of the above changes will affect r

Question

Quizplus · Accepted Answer

Changing the units of measurement for height or weight does not affect the correlation coefficient, as it is a dimensionless measure of the strength and direction of a linear relationship between two variables.

In a Given Group, the Correlation Between Height Measured in Feet