The general form of a regression equation is Y = a + bX. In this equation, Y is the score we wish to predict and X is the known score. What is "a"?
A)It is a constant.
B)It is a weighting adjustment factor that is multiplied by X.
C)It is the slope of the line created with this equation.
D)It is the difference between X and Y.

Question

Quizplus · Accepted Answer

"a" is a constant term or an intercept in the regression equation, which represents the value of Y when X is zero. It does not change with respect to the known score X, and therefore, it is not a weighting adjustment factor, slope or difference between X and Y.

The General Form of a Regression Equation Is Y =