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i. Consider the multiple regression model Y = XB + E. The Gauss-Markov conditions hold. Show that Y'Y = e'e + Y'Y. Show that 1'Y

i. Consider the multiple regression model Y = XB + E. The Gauss-Markov conditions hold. Show that Y'Y = e'e + Y'Y. Show that 1'Y =1'Y. Note: There is an intercept in the model

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