Data Analysis with Microsoft Excel: Updated for Office 2007

168 Fundamentals of Statistics

5 Click Outliers from the list of subject titles.

If there are any moderate or extreme outliers in the distribution,

they’re displayed in the boxplot. Moderate outliers are displayed us-

ing a black circle •. Extreme outliers are represented by an open

circle °. With a boxplot you can quickly see the outliers in your dis-

tribution and their severity.

Figure 4-27

Constructing

the "fences"

of a boxplot

Figure 4-28
Representing
outliers from
the sample
distribution