outlier
Pronunciation:
/ˈaʊtˌlaɪə(ɹ)/noun
Definitions
A person or thing situated away from the main body or outside its proper place.
A part of a formation separated from the rest of the formation by erosion.
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.