The correlation between Tests A and B is .34. The correlation between Tests A and C is .68. Which of the following statements is correct?
A) The relationship between A and C is twice as strong as the relationship between A and B.
B) The relationship between A and C is higher than the relationship between A and B.
C) A student receiving a high score on Test A will receive a higher score on Test C than on Test B.
D) Tests A and C measure the same ability.
E) A student will score about the same on Test B and Test C.

Question

Quizplus · Accepted Answer

Correlation coefficient ranges from -1 to 1. The higher the absolute value of the correlation coefficient, the stronger the relationship between two variables. Here, the correlation between A and C is higher than the correlation between A and B. Therefore, option B is correct whereas options A, C, D, and E are incorrect.

The Correlation Between Tests a and B Is