In the First-Order Model $\hat{y}$ = 8 + 3x₁ +5x₂, a Unit Increase In

True/False

In the first-order model $\hat{y}$ = 8 + 3x₁ +5x₂, a unit increase in $x _ { 2 }$ , while holding $x _ { 1 }$ constant, increases the value of $y$ on average by 3 units.