Question: In the simple linear regression model y 5 b0 1 b1x 1 u, suppose that E1u2 2 0. Letting a0 5 E1u2, show that the

In the simple linear regression model y 5 b0 1 b1x 1 u, suppose that E1u2 2 0. Letting a0 5 E1u2, show that the model can always be rewritten with the same slope, but a new intercept and error, where the new error has a zero expected value.

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