One hundred percent of the scores in a normal distribution fall within plus or minus two standard deviations of the mean.

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10-08-2017
Mathematics

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One hundred percent of the scores in a normal distribution fall within plus or minus two standard deviations of the mean.

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mreijepatmat mreijepatmat · Answer 1 · 2017-08-10T07:09:26+02:00

mreijepatmat mreijepatmat

10-08-2017

This is wrong:

68% fall within plus or minus ONE standard deviation

95% fall within plus or minus TWO standard deviation

99.7% fall within plus or minus THREE standard deviation

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