Question: 19. When should a researcher consider transforming the explanatory variable in a simple linear regression model? a) when a data plot suggests there is a

19. When should a researcher consider transforming the explanatory variable in a simple linear regression model? a) when a data plot suggests there is a non-linear functional form b) to get a coefcient estimate with the sign predicted by economic theory c) to reduce the variation in the explanatory variable dl to maximi7e SSR

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