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Mathematics, 07.08.2019 05:10 ZacharyGallagher
Astandardized exam's scores are normally distributed. in a recent year, the mean test score was 14781478 and the standard deviation was 311311. the test scores of four students selected at random are 18701870, 12001200, 21802180, and 13801380. find the z-scores that correspond to each value and determine whether any of the values are unusual.
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Astandardized exam's scores are normally distributed. in a recent year, the mean test score was 1478...
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