We should include an interaction variable in a regression model if we believe th

Question

We should include an interaction variable in a regression model if we believe that the effect of one explanatory variable X_1 on the The adjust R^2 is used primarily to monitor whether extra explanatory variables really belong in a multiple regression model Models such as moving average exponential smoothing, and linear trend use only: a multiple explanatory variables (not just values of Y) to forecast future values of Y b previous values of Y to forecast future values of Y c ratio-to-moving-average methods d future values of Y to forecast previous values of Y

Explanation / Answer

24. Ans: True

Ref: Data Analysis and Decision Making, Page NO: 558

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