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
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
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X m f f Xm f X 2 m 491 4 1964 964324 518 6 3108 1609944 545 2 1090 59... View full answer
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