ˆ xy yxy yy xx yx yx xs ss ss rs ss s ss s b10 prove

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1ˆb)(10) Prove that 0
2)(30 points, 10 points for each piece.) Compare the following two regressions:i.01ˆˆiiiYXeii.0ˆˆ(3)iiiYXe1
equation ii the independent variable has been multiplied by 3. How does this change, if at all, the values of 0ˆ,1ˆ, 12ˆS, R2, and SSE?Denote the OLS values for equation ii with a *. If a student shows all the CAPS properties below via a numerical example, that is acceptable, but not preferred. Take off 1 point if they have the correct answer but no support.

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