Last Updated
：2025/11/25
68-95-99.7 rule
Proper noun
mnemonic
Japanese Meaning
統計学の記憶法（ニーモニック）で、正規分布において、平均値から1標準偏差以内に全体の約68%、2標準偏差以内に約95%、3標準偏差以内に約99.7%のデータが含まれるという法則
Quizzes for review
(statistics mnemonic) The rule stating that a normal distribution will have 68% of its observations within one standard deviation of the mean, 95% within two, and 99.7% within three.
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68-95-99.7 rule
When teaching intro statistics, I always explain the 68-95-99.7 rule with a bell curve diagram.
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When teaching intro statistics, I always explain the 68-95-99.7 rule with a bell curve diagram.
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