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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unbiased estimator mining engineering gate 2019 sample statistic X parameter estimation E(μ-X) mining engineering statistics E(μ+X) E(μ-X)^2=0 E(μ+X)^2=0

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