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Definition of Empirical rule
1. Noun. (statistics) That a normal distribution has 68% of its observations within one standard deviation of the mean, 95% within two, and 99.7% within three. ¹
¹ Source: wiktionary.com
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1. Noun. (statistics) That a normal distribution has 68% of its observations within one standard deviation of the mean, 95% within two, and 99.7% within three. ¹
¹ Source: wiktionary.com