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SAT Math Practice Question #12845 - SATify | SATify

#12845

statistics

data analysis

average

hard

85 sec

The frequency distribution above summarizes a set of data, where $b$ is a positive integer.

How much greater is the mean of the set of data than the median?

$- \frac{30}{7}$

$\frac{30}{7}$

$- \frac{20}{7}$

$\frac{20}{7}$