Which of the following would be the value of the correlation coefficient of two variables which are not linearly related.
A) 1
B) $- 1$
C) $0.5$
D) 0

Question

Which of the following would be the value of the correlation coefficient of two variables which are not linearly related. 
A) 1
B) $- 1$
C) $0.5$
D) 0

Quizplus · Accepted Answer

The correlation coefficient measures the strength and direction of a linear relationship between two variables. If the variables are not linearly related, the correlation coefficient will be close to 0. Therefore, the best choice is D – 0. The other options (A, B, and C) imply the existence of a strong linear relationship between the two variables.

Which of the Following Would Be the Value of the Correlation