"68-95-99.7 rule" meaning in All languages combined

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        "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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        "(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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          "roman": "právilo trjox sígm",
          "sense": "statistics: empirical rule of 3σ",
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        "(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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