Question

Two variables are correlated whenever A. one changes while the other does not change. B. one increases while the other does not change. C. one decreases while the other does not change. D. both change together in a consistent way.

Answer 1

The answer is D.
Two variables are correlated whenever they both change in a consistent way.

Answer 2

Answer: D. both change together in a consistent way.

Explanation: Correlation of two variables can either be positive, which means both variables will move in the same direction or tandem, or it can be negative which implies that if the value of one variables increases, the value of the other variables decreases or the two variables go in opposite direction.