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Measures of Central Tendency: What Do Those Numbers Mean?

APPSY-N2VS71

You get a job with a very upscale restaurant chain and are put in charge of customer research. The corporate office is truly convinced that people who eat at places like McDonalds have low IQs. This makes you curious about whether or not they are correct.

The company gives you permission to conduct IQ research, and your research team visits local McDonalds to gather data on customer IQ. You put together a survey that in reality is an IQ test.

Some of the customers say yes to the survey, and some say no. Two of the customers who say yes happen to be Marilyn Vos Savant, who has the highest recorded IQ for women​, and Stephen Hawking, the astrophysicist, who also possesses an incredibly high IQ.

If your distribution of IQ scores includes theirs, which of the following measures of central tendency should NOT be used to analyze your data?

A

Standard deviation.

B

Range.

C

Mean.

D

Median.

E

Mode.