Mathematics, 06.12.2019 05:31, chas8495

If a set of data are normally distributed with at least 68% of scores falling between scores 16.5 and 19.5. if these values mark the first standard deviation from the mean, then what are the values of the mean and standard deviation in this normal distribution?

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If a set of data are normally distributed with at least 68% of scores falling between scores 16.5 an...