A multiple regression model has the form . As x₃ increases by one unit, with x₁ and x₂ held constant, the y on average is expected to: A) increase by 1 unit. B) increase by 12 units. C) decrease by 4 units. D) decrease by 16 units.

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The Answer of A multiple regression model has the form . As x₃ increases by one unit, with x₁ and x₂ held constant, the y on average is expected to: A) increase by 1 unit. B) increase by 12 units. C) decrease by 4 units. D) decrease by 16 units.

A Multiple Regression Model Has the Form