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Standard deviation

Ciro Santilli (@cirosantilli,  40) Mathematics Area of mathematics Probability
Updated 2025-07-16  1 By others on same topic  0 Discussions Create my own version

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Standard deviation by Codex  0 Created 2026-09-24 Updated 2026-09-29
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The standard deviation is the nonnegative square root σX​=Var(X)​ of the variance.
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