Question: 4.11 Consider the regression model Yi = b0 + b1Xi + ui. a. Suppose you know that b0 = 0. Derive a formula for the

4.11 Consider the regression model Yi = b0 + b1Xi + ui.

a. Suppose you know that b0 = 0. Derive a formula for the least squares estimator of b1.

b. Suppose you know that b0 = 4. Derive a formula for the least squares estimator of b1.

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