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Meaning of 68-95-99.7 rule | Babel Free

Noun CEFR B2

Definitions

The rule stating that a normal distribution will have 68% of its observations within one standard deviation of the mean, 95% within two, and 99.7% within three.

mnemonic

Equivalents

Русский пра́вило трёх си́гм

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

69er 6B 6DOF 6H 6in4 6ix

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