When the correlation between two variables is nonzero,the value of the sum of z score products is influenced not only by the size of the correlation,but also by the sample size (N).

Question

Quizplus · Accepted Answer

This is true. The sum of z score products is affected by both the correlation and the sample size. As the sample size increases, the sum of z score products increases as well, even if the correlation remains the same.

When the Correlation Between Two Variables Is Nonzero,the Value of the Sum