According to the empirical rules of standard deviation in statistics, approximately 68% of the observations will fall within three standard deviations of the mean.

Name: According to the empirical rules of standard deviation in statistics, approximately 68% of the observations will fall within three standard deviations of the mean.
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According to the empirical rule, approximately 68% of the observations fall within one standard deviation of the mean, not three.

According to the Empirical Rules of Standard Deviation in Statistics