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What does 3 sigma mean?

Ethan Hall | 2023-06-05 10:41:37 | page views：1706
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Oliver Wilson

Works at the International Development Association, Lives in Washington, D.C., USA.
In the empirical sciences the so-called three-sigma rule of thumb expresses a conventional heuristic that nearly all values are taken to lie within three standard deviations of the mean, and thus it is empirically useful to treat 99.7% probability as near certainty.
2023-06-08 10:41:37
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Ava Nelson

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In the empirical sciences the so-called three-sigma rule of thumb expresses a conventional heuristic that nearly all values are taken to lie within three standard deviations of the mean, and thus it is empirically useful to treat 99.7% probability as near certainty.
68�C95�C99.7 rule - Wikipedia
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