If a constant 30 is subtracted from each of the value of X and Y , the regression coefficient is..........................

1/30th of the original regression

If a constant 30 is subtracted from each of the value of X and Y , the

1.	If a constant 30 is subtracted from each of the value of X and Y , the regression coefficient is..........................
A.	reduced by 30
B.	increased by 30
C.	not changed
D.	1/30th of the original regression
Answer» D. 1/30th of the original regression