Ages of the first 6 presidents are 57,61,57,57,58,57. How many presidents fall within one standard deviation of the mean

asked Jun 19, 2017 72.7k views

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2 votes

Find the mean of the data set (57+61+57+57+58+57)/6 = 347/6 = 57.83

Coolpasta answered Jun 22, 2017

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3 votes

4 presidents fall within one standard deviations of the mean 57

Guido Simone answered Jun 23, 2017

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