In a multiple regression problem with two explanatory variables if,the fitted regression equation is $\hat { Y } = 56.6 - 4.5 X _ { 1 } + 0.60 X _ { 2 } \text {, then the estimated value of } Y \text { when } X _ { 1 } = 2 \text { and } X _ { 2 } = 3 \text { is } 49.4$
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Question

In a multiple regression problem with two explanatory variables if,the fitted regression equation is $\hat { Y } = 56.6 - 4.5 X _ { 1 } + 0.60 X _ { 2 } \text {, then the estimated value of } Y \text { when } X _ { 1 } = 2 \text { and } X _ { 2 } = 3 \text { is } 49.4$ 
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Quizplus · Accepted Answer

The estimated value of Y is calculated by plugging the values of X1 and X2 into the fitted regression equation:$\hat { Y } = 56.6 - 4.5 X _ { 1 } + 0.60 X _ { 2 } $$\hat { Y } = 56.6 - 4.5 (2) + 0.60 (3) $$\hat { Y } = 56.6 - 9 + 1.8 $$\hat { Y } = 49.4 $

In a Multiple Regression Problem with Two Explanatory Variables If,the