Standard normal distribution, standard deviation and coverage in statistics. Empirical rule, 3-sigma or 68–95– rule. Gaussian distribution.


Standard normal distribution, standard deviation and coverage in statistics. Empirical rule, 3-sigma or 68–95– rule. Gaussian distribution or bell curve, used in statistics. Illustration.


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Photo credit: © Peter Hermes Furian / Alamy / Afripics
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