Suppose that you have two variables, one with a mean of 15 and another with a mean of 19. If you know only that one person's score on the first variable is 14, the best prediction of that person's score on the other is
A)0.
B)15.
C)19.
D)indeterminate.

Question

Quizplus · Accepted Answer

Given only the means of two variables and a score from one variable, the best prediction for a score on the other variable is its mean, which is 19 in this case.

Suppose That You Have Two Variables, One with a Mean