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Judging outliers in a dataset

If a number below the first quartile is less than 1.5 * IQR then it is an outlier. Same for a number greater than the third quartile

  • \[Q_1 - (1.5 * IQR)\]
  • \[Q_3 + (1.5 * IQR)\]

IQR = Interquartile range


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