Mathematics, 21.12.2019 18:31, jazzycintron14

Ascientist calculated the mean and standard deviation of a data set to be and . she then found that she was missing one data value from the set. she knows that the missing data value was exactly 3 standard deviations away from the mean. what was the missing data value?
129
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360
369

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Ascientist calculated the mean and standard deviation of a data set to be and . she then found that...