The Regression Model $\hat { Y }$ = 180 + 6x₁ - 2x₂ Has Been Fitted to 6x₁

Short Answer

The regression model $\hat { Y }$ = 180 + 6x₁ - 2x₂ has been fitted to a set of data.If x₂ = 10,what will be the effect on $\hat { Y }$ if x₁ increases by 1 unit? $\hat{ Y }$ will ____________________ by ____________________