Question: Consider the multiple regression model Yi = X1 B1 + x2 B2 + x133 + ei with the nine observations on Yi 1 2

Consider the multiple regression model Yi = X1 B1 + x2 B2 + x133 + ei with the nine observations on Yi 1 2 3

Consider the multiple regression model Yi = X1 B1 + x2 B2 + x133 + ei with the nine observations on Yi 1 2 3 -1 0 -1 2 1 2 yi, Xil, Xi2 and Xi3 given in following table: Xil 1 1 1 1 1 1 1 1 X12 0 1 2 -2 1 -2 0 1 1 0 Use a hand calculator to answer the following questions: (a) Calculate the observations in terms of deviations from their means. That is, find X2 = X2 - X2, X3 = X3 X3, and y = y - y. (b) Calculate Eyjx2, , yx3, 243, and Ex3.

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