Which Statement Is Not True About the Constant B in the Bivariate

Multiple Choice

Which statement is not true about the constant b in the bivariate regression equation Y^{^} _i = a + bX_i?

A) It is the slope of the regression line and it indicates the expected change in Y when X is changed by one unit.
B) It may be computed as b = COV_xy/S_x².
C) It is the intercept of the regression line and it indicates the value of Y when X is zero.
D) It is usually referred to as the non- standardized regression coefficient.