When calculating the Pearson correlation coefficient, is called the of $\Sigma ( X - \bar { X } ) ( Y - \bar { Y } )$ X and Y.
A)sum of squares
B)cross products
C)standard deviation
D)correlation

Question

When calculating the Pearson correlation coefficient, is called the of   $\Sigma ( X - \bar { X } ) ( Y - \bar { Y } )$ X and Y.
A)sum of squares 
B)cross products 
C)standard deviation 
D)correlation

Quizplus · Accepted Answer

This term represents the sum of cross products between the deviations of X and Y from their respective means. It is necessary for calculating the Pearson correlation coefficient.

When Calculating the Pearson Correlation Coefficient, Is Called the Of \Sigma