For the regression equation $ = 20 + 8 x _ { 1 } + 5 x _ { 2 } + 3 x _ { 1 } x _ { 2 }$ , which combination of $x _ { 1 }$ and $x _ { 2 }$ , 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.

Question

For the regression equation $ = 20 + 8 x _ { 1 } + 5 x _ { 2 } + 3 x _ { 1 } x _ { 2 }$ , which combination of $x _ { 1 }$ and $x _ { 2 }$ , 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.

Quizplus · Accepted Answer

The Answer of For the regression equation $ = 20 + 8 x _ { 1 } + 5 x _ { 2 } + 3 x _ { 1 } x _ { 2 }$ , which combination of $x _ { 1 }$ and $x _ { 2 }$ , 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.

For the Regression Equation =20+8x1+5x2+3x1x2 = 20 + 8 x _ { 1 } + 5 x _ { 2 } + 3 x _ { 1 } x _ { 2 }=20+8x1​+5x2​+3x1​x2​

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