A Multiple Regression Model Has the Form $\hat { Y }$

question 85

Multiple Choice

A multiple regression model has the form: $\hat { Y }$ = 5.25 + 2.5x₁ + 4x₂.As x₂ increases by 1 unit,holding x₁ constant,then the value of y will increase by:

• A) 2.5 units.
• B) 7.75 units.
• C) 4 units on average.
• D) 11.75 units on average.

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