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Posted: **Wed May 04, 2022 11:56 am**

: 1 3 In The Gauss Markov Model Y A Ssx I I 1 N Let A And 3 Be The Ols Estimates Of A And 3 And Let Y N 1 (65.22 KiB) Viewed 24 times

1.3. In the Gauss-Markov model y₁ = a + ßx; +€į (i = 1, …,n), let â and 3 be the OLS estimates of a and 3, and let y = n¯¹ Σ?–1 Yi. n (a) Show that y and are uncorrelated. (b) If yo = a + Bxo, show that (x Var(yo) ( = + = (²0 = 2) ²2) 0² (Xi − -