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AP® Statistics

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Moderate

Unbiasedness and Variability

APSTAT-W3EJLH

The figure below shows histograms of four different sampling distributions intended to estimate the same parameter. The value of the parameter is $150$.

Albert.io. Copyright 2016

Albert.io. Copyright 2016

Which statistic does the best job of estimating the parameter?

A

Statistic $A$

B

Statistic $B$

C

Statistic $C$

D

Statistic $D$

E

None of the statistics do a good job of estimating the parameter.