oei der the following model Y: X, B + X. B, + € Where mathices y and E Cand B; ac vectos k; x1, whec j=1,2 Prave the theorem of Fisch- Waugh- Lovell. vec tors hx1, X ave ave Find the dstiibution of the estinato by OLS in X- [Xs, X2] when eKN(0,r B2 Condi tioned ) If B=0. (an B be estinated using only X! Define this resticted estima tor as its distibuton and compae with that of the estimator s B De ter mine B2

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