- an observation that is well outside of the expected range of values in a study or experiment, and which is often discarded from the data set: Experience with a variety of data-reduction problems has led to several strategies for dealing with outliers in data sets.
- a person whose abilities, achievements, etc., lie outside the range of statistical probability.
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Example sentences from the Web for outlier
And no issue should be defined by its outliers because it paints a false picture.
Surveys were assessed for outliers and inconsistencies and messy data was reconciled by contacting individual schools.The Daily Beast's Top High Schools 2014: Methodology|Brandy Zadrozny|August 27, 2014|DAILY BEAST
Celebrity participants like Zachary Levi—who devotes substantial time to discussing ALS—are outliers.
Sure, there are a few anti-gay outliers: Chick-Fil-A, Hobby Lobby, whatever.Ten Reasons Women Are Losing While Gays Keep Winning|Jay Michaelson|July 6, 2014|DAILY BEAST
Americans are the outliers in their skepticism for wines that come in boxes.Taking Boxed Wine Seriously: It’s Not Just for Hobos and Teenagers Anymore|Jordan Salcito|March 15, 2014|DAILY BEAST
Possibly the "lowes" outliers of the partially denuded glacial "drift."On Some Ancient Battle-Fields in Lancashire|Charles Hardwick
There are outliers of the stock as far south as the southern parts of Oregon.Opuscula|Robert Gordon Latham
Then skirting along the northern outliers of the Tyrol, the gulf can be followed as far east as Transylvania.The History of the European Fauna|R. F. Scharff
I propose making two groups out of these five mines—one comprising the outliers, the other three the main reef.Mammon and Co.|E. F. Benson
Retreating cliffs may fall back a number of miles behind their outliers before the latter are finally consumed.The Elements of Geology|William Harmon Norton