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![68–95–99.7 rule - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_09.jpeg)
68–95–99.7 rule - Wikipedia, the free encyclopedia
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日期:2024-08-04
In statistics, the 68–95–99.7 rule, also known as the three-sigma rule or empirical rule, ... a 6σ event is expected to happen less than once in a million years. This gives a simple normality test: if one ......看更多