5. (20%) True, false, or uncertain? Evaluate the following statements with brief explanations.
申論題內容
(c) (5%) For the model Let be the OLS estimator ofβ1based on the available sample. Suppose that the i'th observation is included in the sample only if then is consistent.
阿摩線上測驗
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be the OLS estimator ofβ1based on the available sample. Suppose that the i'th