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probability theory > moment > standard deviation
mathematical statistics > moment > standard deviation

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standard deviation  

Definición

  • In statistics, the standard deviation is a measure of the amount of variation of a random variable expected about its mean. A low standard deviation indicates that the values tend to be close to the mean (also called the expected value) of the set, while a high standard deviation indicates that the values are spread out over a wider range. The standard deviation is commonly used in the determination of what constitutes an outlier and what does not.
    (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Standard_deviation)

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http://data.loterre.fr/ark:/67375/PSR-W5799J8H-P

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