Which multiple regression equation allows a test for nonlinearity?
A)y = 47 −12x1 + 8x1x2 −5x2
B)y = 47 −12x1 + 8x12 −5x2 + 25x22
C)y = 47 −12x1 + 5x2 + 13x3

Question

Quizplus · Accepted Answer

The equation in choice B contains a squared term (x22), which allows for a test of nonlinearity. The presence of a squared term indicates the potential for a nonlinear relationship between the outcome variable (y) and the predictor variables (x1 and x2).

Which Multiple Regression Equation Allows a Test for Nonlinearity