A set of n = 15 pairs of scores (X and Y values)produces a correlation of r = 0.40.If each of the X values is multiplied by 2 and the correlation is computed for the new scores,what value will be obtained for the new correlation?
A)r = 0.20
B)r = 0.40
C)r = 0.80
D)Cannot be determined without knowing all the X and Y scores

Question

Quizplus · Accepted Answer

The correlation coefficient remains the same when one variable is multiplied by a constant. Therefore, the new correlation will also be r = 0.40.

A Set of N = 15 Pairs of Scores (X