How do you calculate the Mean Squared Regression from the Sum of Squared Regression?
A. Take the square root of the Sum of Squared Regression.
B. Divide the Sum of Squared Regression by the number of Y data observations.
C. Divide the Sum of Squared Regression by the number of Y data observations minus 2.
D. Divide the Sum of Squared Regression by the number of X variables used in the regression.