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1. (10pt) The RTTO model is given by Y =B1Xii, i = 1,...,n, N(0, a2). The Least Squares Estimate of B1 is where Σ ΧΥ X? * Sho

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MMM Note that the regression line is ĝi= b; X; , it is derived by minisenizing the decat samofono oganed, Žet (Vi-boy x31wat7 Š xi(Yi-B,X:): 0 Solving the equation we get the estimate of B, as by x (Y: -1, xe + :( - Ý ): ::SS7: Žd: 7)*: ] [ TP-to-(-- SSE + SSR =SSE + SSR - 2 [Ti (Verte) - Ž(4-)] - SSE + SSR - 268 xil vi- Fc ) +253 (-) + 0 # SSE + SSR

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