# Question

The mean SAT math scores for selected states are represented below. Find the mean class, modal class, variance, and standard deviation, and comment on the shape of the data.

Score Frequency

478–504 ......4

505–531 ......6

532–558 ......2

559–585 ......2

586–612 ......2

Score Frequency

478–504 ......4

505–531 ......6

532–558 ......2

559–585 ......2

586–612 ......2

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