GATE 2019 Mining Engineering Q16: Unbiased Estimator Property - Solved Question

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Mining Engineering > GATE 2019 > Statistics

If the sample statistic X‾ is an unbiased estimator of the parameter, then

A

E(μ-X‾)=0

B

E(μ+X‾)=0

C

E(μ-X‾)²=0

D

E(μ+X‾)²=0

Correct : a

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