If two variables were perfectly correlated, the correlation coefficient r would equal
A) 0.
B) -1.
C) 1.
D) 1 or -1.
E) -2.

Name: If two variables were perfectly correlated, the correlation coefficient r would equal A) 0. B) -1. C) 1. D) 1 or -1. E) -2.
Brand: Quizplus
Rating: 5.0 (46 reviews)

Question

Quizplus · Accepted Answer

The correlation coefficient r measures the strength and direction of a linear relationship between two variables. If two variables are perfectly correlated, r would equal 1 for a perfect positive correlation or -1 for a perfect negative correlation.

If Two Variables Were Perfectly Correlated, the Correlation Coefficient R