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SAT® Math

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Children and Adult Weights

SATMAT-JSA1VX

The mean of the weights of $ 10 $ children is $ 70 $ pounds, and the mean of the weights of $ 10 $ adults is $ 150 $ pounds. The standard deviation of the adults’ weights is $ 3 $ times greater than the standard deviation of the children’s weights. Which of the following statements is most likely to be true? (No Calculator)

A

The difference between the mean and median of the adults’ weights is less than the difference between the mean and median of the children’s weights.

B

The range of the children's weights is about the same as the range of the adults' weights.

C

The range of the children's weights is less than the range of the adults' weights.

D

The range of the children's weights is greater than the range of the adults' weights.