a. Let û; be the residuals in the lease square fit of Y; against X; (i = 1,2, ... ,n) and a constant. Derive the following results: 1 EA; = 0 . ΣΧμ, 0 II. Ý;¡ = 0 . Σή γ

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Prove and answer question 2 please

a. Let û; be the residuals in the lease square fit of Y; against X; (i = 1,2, ... ,n) and a constant. Derive
the following results:
%3D
E Ĥ; = 0
II. EX;â; = 0
III. E Ý;Â; = 0
IV. EÝ, = Y
I.
Transcribed Image Text:a. Let û; be the residuals in the lease square fit of Y; against X; (i = 1,2, ... ,n) and a constant. Derive the following results: %3D E Ĥ; = 0 II. EX;â; = 0 III. E Ý;Â; = 0 IV. EÝ, = Y I.
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