[See Solution] For the multiple regression equation y#770;=100+20 x_1-3 x_2+120
Question: For the multiple regression equation \(\hat{y}=100+20 x_{1}-3 x_{2}+120 x_{3}\) a. Identify the \(y\)-intercept and partial regression coefficients. b. If \(x_{1}=12, x_{2}=5\), and \(x_{3}=10\), what is the estimated value of \(y\) ? c. If \(x_{3}\) were to increase by 4 , what change would be necessary in \(x_{2}\) in order for the estimated value of \(y\), to remain unchanged?
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