The following interactions between binary and continuous variables are possible,with the exception of
A)Yi = β0 + β1Xi + β2Di + β3(Xi × Di)+ ui.
B)Yi = β0 + β1Xi + β2(Xi × Di)+ ui.
C)Yi = (β0 + Di)+ β1Xi + ui.
D)Yi = β0 + β1Xi + β2Di + ui.

Question

Quizplus · Accepted Answer

None of the interactions in choices A, B, and D involve adding a discrete variable (Di) to a continuous variable (Xi) without an interaction term. Choice C is the only one that meets this description.

The Following Interactions Between Binary and Continuous Variables Are Possible,with