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English definition of “outlier”

outlier

noun [C]
 
 
/ˈaʊtˌlaɪər/
a fact, figure, piece of data, etc. that is very different from all the others in a set and does not seem to fit the same pattern: Eliminating one or two obvious outliers, charges range from 0.45% per annum to 3.67% per annum. The poll that showed him increasing support by 5 points was probably an outlier.
(Definition of outlier from the Cambridge Business English Dictionary © Cambridge University Press)
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