The Gauss-Markov Theorem Proves That

question 30

Multiple Choice

The Gauss-Markov Theorem proves that

• A)the OLS estimator is t distributed.
• B)the OLS estimator has the smallest mean square error.
• C)the OLS estimator is unbiased.
• D)with homoskedastic errors, the OLS estimator has the smallest variance in the class of linear and unbiased estimators, conditional on X₁,…, X_n.

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