The numerator (top half) of the Pearson correlation coefficient formula includes the:
A) sum of the product of the deviations for each variable.
B) square root of the product of the two sums of squares.
C) difference between the two sample means.
D) correction for variability and sample size.

Question

Quizplus · Accepted Answer

The numerator of the Pearson correlation coefficient formula includes the sum of the product of the deviations for each variable. This measures the extent to which the two variables vary together.

The Numerator (Top Half) of the Pearson Correlation Coefficient Formula