For the Following Regression Equation $\tilde { y } = 20 + 8 x _ { 1 } + 5 x _ { 2 } + 3 x _ { 1 } x _ { 2 }$

question 127

Multiple Choice

For the following regression equation $\tilde { y } = 20 + 8 x _ { 1 } + 5 x _ { 2 } + 3 x _ { 1 } x _ { 2 }$ ,which combination of x₁ and x₂,respectively,results in the largest average value of y?

• A) 3 and 5
• B) 5 and 3
• C) 6 and 3
• D) 3 and 6

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