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

question 34

Short Answer

The regression model $\hat{ Y }$ = 180 + 6x₁ - 2x₂ has been fitted to a set of data.If x₂ = 20,what will be the effect on $\hat{ Y }$ if x₁ increases by 1 unit? $\hat{ Y }$ will ____________________ by ____________________