An outlier is a person or thing that is different from the rest of the population. Outliers are usually unusual in some way, and they tend to stand out from the rest.
The outlier in the group was the one who was the tallest.
The outlier in the study was the one who smoked the most.
The outlier in the data set was the one with the most errors.
noun
an extreme deviation from the mean
noun
a person who lives away from his place of work
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The people discomfited the outliers.
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Buckbarrow is an outlier of the southern branch of the horseshoe.
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It is less sensitive to outliers, but less mathematically tractable.
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It is the northernmost outlier of the Virgo cluster discovered as of 2004.
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In the presence of outliers, the statistician has two options.
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If it is the outlier, the odds of selecting the outlier are much higher.
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Either it is an outlier or it isn't.
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ChemSpider appears to be the outlier.
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But the Shuttle is a bit of an outlier.
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Seatallan is an outlier of the southern arm.