The prediction of Y from Variable X would be least accurate when the correlation between X and Y is
A) 75.
B) .95.
C) .99.
D) -.80.
E) -1.00.

Question

Quizplus · Accepted Answer

The correlation coefficient ranges from -1 to 1, where values close to 1 or -1 indicate a strong relationship, and values close to 0 indicate a weak relationship. A correlation of 75 is not a valid value for correlation coefficients, making it the least accurate for prediction due to the misunderstanding or misrepresentation of the correlation value.

The Prediction of Y from Variable X Would Be Least