If the range of a normally distributed data set is 25, what's a reasonable estimate for the standard deviation

asked Feb 19, 2019 51.0k views

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68% will be 1 standrd deviation either side of the mean so a reasonable estimate will be (25*0.68) / 2 = 8.5

SaschaP answered Feb 20, 2019

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3 votes

5 standard deviations

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