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What Are Outliers In The Data?

What Are Outliers In The Data?

Created by the National Institute of Standards and Technology (U.S.), this excerpt from Engineering Statistics Handbook gives a definition for and examples of outliers. A sub-page also discusses "Grubbs' Test" for outliers. The main page outlines the example in this way: definition of outliers, ways to describe data, box plot construction, box plots with fences, outlier detection criteria, and an example of an outlier box plot. The resource using both text and images to help describe the concepts. This would be a great teaching resource for instructors in the statistics field.

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