Question: Provide derivation not only explanation Question 8: From the Ordinary Least Square (OLS), we can obtain that Y, = 1 + 62 X. Prove that

Provide derivation not only explanation

Question 8: From the Ordinary Least Square (OLS), we can obtain that Y, = 1 + 62 X. Prove that the mean value of the estimated Y, is equal to the mean value of the actual Y and the mean value of the estimated residual (), - Y,) is 0. Demonstrate that

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