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AP® Statistics

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Estimator Definition

APSTAT-FEGLJE

The mean of a sampling distribution can be considered an unbiased estimate of $\mu$ when

A

There is no major skewness or outliers.

B

Variability is uncertain at first but gets smaller as $n$ increases.

C

The sample mean and population mean $\mu$ are equal.

D

Samples are conducted in such a way that the population is well represented.

E

Its expected value changes as the sample size $n$ increases.