Question: Consider a regression model y = [30 + lx + 8 , where x is a non-random regressor. Discuss whether the ordinary least-squares estimator of

Consider a regression model y = [30 + lx + 8 , where x is a non-random regressor. Discuss whether the ordinary least-squares estimator of the slope ,81 is always unbiased and whether it always has the smallest variance compared to any estimator of 'l , irrespectively of what the value of o is. State assumptions in your discussion. Be careful about the word M If any

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