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AP® Statistics

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Boxplot: Outlier Effect on the Mean and Standard Deviation

APSTAT-JLSIGA

Looking at the modified boxplot above, what will happen to the mean and standard deviation when the outlier of $23$ is removed?

A

The mean and and standard deviation will both decrease.

B

The mean will decrease, but the standard deviation will increase.

C

The mean and standard deviation will both increase.

D

The mean will increase, but the standard deviation will decrease.

E

The mean and standard deviation will remain the same.