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Expected value of the unbiased estimator

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Reference no: EM132852494

A piano teacher wants to know the mean # of hours her six pupils practice the piano every day. First, she surveys three pupils randomly. Then she collects data for the remaining three pupils as well:

PupilDaily piano practice time, in hrs Abby0.5, Bobby1, Chris1, Danny2, Eric0.5, Faith1

(A) What is the expected value of the unbiased estimator?

(B) What is the standard error of the unbiased estimator?

Reference no: EM132852494

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