C1nounformalacademicscience
US/ˈaʊt.laɪ.ər/
UK/ˈaʊt.laɪ.ə/
a value or result that is very different from the others in a group of data
In context
One extreme score was an outlier, so the researchers removed it from the analysis.
The graph shows a clear outlier at the top right corner.
Outliers can change the average a lot when the sample is small.
Words that go with outlier
adjective + noun
- statistical outlierThat result is a statistical outlier.
- extreme outlierAn extreme outlier skewed the whole average.
verb + noun
- remove an outlierYou should remove an outlier only with a good reason.
- identify an outlierThe chart makes it easy to identify an outlier.
noun + preposition
- outlier inThere was one outlier in the survey results.