Dictionary > English Dictionary > Definition, synonym and antonym of the 68-95-99.7 rule
Meaning of the 68-95-99.7 rule by Wiktionary Dictionary

the 68-95-99.7 rule


    Noun

    the 68–95–99.7 rule ( singular only )

    1. ( 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 .

    External links

    • 68–95–99.7 rule on Wikipedia .