If one calculates a correlation of -1.20,this coefficient indicates that a
A) perfect negative relationship exists.
B) moderately strong relationship exists.
C) weak correlation exists.
D) miscalculation has occurred.

Question

Quizplus · Accepted Answer

A correlation coefficient cannot be less than -1 or greater than 1. Therefore, a correlation coefficient of -1.20 is not possible and suggests a miscalculation has occurred.

If One Calculates a Correlation of -1