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ECON 140 University of California San Diego Variance of the Estimator HW

ECON 140 University of California San Diego Variance of the Estimator HW

Question Description

I’m studying for my Economics class and need an explanation.

Please write the answer with justification.

The first file is the question you need answer. Please write the step clearly and with justification just like the second and the third files solutions.

the last file is the ppt that cover the knowledge of the question. You may check if you want.