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Class A takes an exam and the scores range from 80%-100%. Class B takes the same...

Class A takes an exam and the scores range from 80%-100%. Class B takes the same exam but the scores range from 50%-100%. Which class has a higher standard deviation?

A. Class A

B. Class B

C. They are the same.

D. It is impossible to know from the information given.

Math   Statistics-And-Probability   
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