For the Following Regression Equation $\tilde { y } = 50 + 10 x _ { 1 } - 4 x _ { 2 } - 6 x _ { 1 } x _ { 2 }$

Multiple Choice

For the following regression equation $\tilde { y } = 50 + 10 x _ { 1 } - 4 x _ { 2 } - 6 x _ { 1 } x _ { 2 }$ ,a unit increase in x₂,while holding x₁ constant at a value of 3,decreases the value of y on average by:

A) 22
B) 50
C) 56
D) An amount that depends on the value of x₂