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Q3(16 points). Prove the following: 1. (5 points) Š(+* – ) = 0. 2. (6 points) Z (2 – 2)(– ) = Ž– naj 3. (5 points) the linear

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solution :- from the giver data, -1) § (xi-x)=0 consider 1 (xi-x) = 8 x - 3 2 x - x I? SWI SW *-nie Å ni n xi I Shil sW n - Ŝ=3) The the linear point regression line (a , j , simple must pass through regression model is 4i= Bot B, Xit Ei i=1,2,.....

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