A multiple regression equation is $\hat { \mathrm { y } } = - 35,000 + 130 \mathrm { x } _ { 1 } + 20,000 \mathrm { x } _ { 2 } , \text { where } \mathrm { x } _ { 1 }$ is a person?s age, x $x _ { 2 }$ is the person?s grade point average in college, and y is the person?s income. Predict the income for a person who is 26 years
Old and had a college grade point average of 3.8.
A)$44,380
B)$114,380
C)$79,380
D)$485,494

Question

Quizplus · Accepted Answer

The correct answer is A because:$\hat { \mathrm { y } } = - 35,000 + 130 \mathrm { x } _ { 1 } + 20,000 \mathrm { x } _ { 2 } $$\hat { \mathrm { y } } = - 35,000 + 130 ( 26 ) + 20,000 ( 3.8 ) $$\hat { \mathrm { y } } = - 35,000 + 3380 + 76,000 $$\hat { \mathrm { y } } = 44,380 $

A Multiple Regression Equation Is y^=−35,000+130x1+20,000x2, where x1\hat { \mathrm { y } } = - 35,000 + 130 \mathrm { x } _ { 1 } + 20,000 \mathrm { x } _ { 2 } , \text { where } \mathrm { x } _ { 1 }y^​=−35,000+130x1​+20,000x2​, where x1​

A Multiple Regression Equation Is $\hat { \mathrm { y } } = - 35,000 + 130 \mathrm { x } _ { 1 } + 20,000 \mathrm { x } _ { 2 } , \text { where } \mathrm { x } _ { 1 }$