e/Empirical rule

Information
has gloss	eng: In statistics, the 68-95-99.7 rule, or three-sigma rule, or empirical rule, states that for a normal distribution, nearly all values lie within 3 standard deviations of the mean.
lexicalization	eng: 68-95-99.7 rule
lexicalization	eng: 68–95–99.7 rule
lexicalization	eng: Empirical rule
lexicalization	eng: Three sigma rule
lexicalization	eng: Three-sigma rule
instance of	c/Statistical approximations

Meaning
Korean
has gloss	kor: 통계학에서 68-95-99.7 규칙(68-95-99.7 rule)은 정규 분포를 나타내는 규칙으로, 경험적인 규칙(empirical rule)이라고도 한다. 3시그마 규칙(three-sigma rule)이라고도 하는데 이 때는 평균에서 양쪽으로 3표준편차의 범위에 거의 모든 값들(99.7%)이 들어간다는 것을 나타낸다.
lexicalization	kor: 68-95-99.7 규칙

Media
media:img	Standard deviation diagram.svg