In the First-Order Model $= 75 - 12 x _ { 1 } + 5 x _ { 2 } - 3 x _ { 1 } x _ { 2 }$

True/False

In the first-order model
$= 75 - 12 x _ { 1 } + 5 x _ { 2 } - 3 x _ { 1 } x _ { 2 }$ , a unit increase in $x _ { 1 }$ , while holding $x _ { 2 }$ constant at a value of 2, decreases the value of $y$ on average by 8 units.