In the formula for the Pearson correlation coefficient, the calculation of variability (SS) can be found in:
A) the denominator.
B) the numerator.
C) both the denominator and the numerator.
D) neither the denominator nor the numerator.

Question

Quizplus · Accepted Answer

The denominator of the Pearson correlation coefficient formula includes the product of the standard deviations of the two variables, which involves the calculation of variability (sum of squares, SS).

In the Formula for the Pearson Correlation Coefficient, the Calculation