How (and Why) to Use the Outliers Function in Excel

An outlier is a value that is significantly higher or lower than most of the values in your data. When using Excel to analyze data, outliers can skew the results. For example, the mean average of a data set might truly reflect your values. Excel provides a few useful functions to help manage your outliers, so let’s take a look.

In the image below, the outliers are reasonably easy to spot—the value of two assigned to Eric and the value of 173 assigned to Ryan. In a data set like this, it’s easy enough to spot and deal with those outliers manually.

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