Definition of outlier

Definition of outlier
  1. outlier Noun A person or thing away from others or outside its proper place.
  2. outlier Noun A part of a formation separated from the rest of the formation by erosion.
  3. outlier Noun A value in a statistical sample which does not fit a pattern that describes most other data points; specifically, a value that lies 1.5 IQR beyond the upper or lower quartile.
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