Question

An interaction term in a multiple regression model may be used when Select one: a. there is a curvilinear relationship between the dependent and independent variables. b. the relationship between X1 and Y changes for differing values of X2. c. neither one of 2 independent variables contribute significantly to the regression model. d. the coefficient of determination is small

Answer 1

When an interaction term in a multiple regression model may be used when the relationship between X1 and Y changes for differing values of X2.

According to the question,

We have the following information:

An interaction term in a multiple regression model may be used and the four options are given.

We know that when the change of one independent variable depends on the change of another independent variable then it is considered to have an interaction.

Now, for the given expression and applying the given conditions, options a, c and d are wrong.

Hence, the correct option is b.

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