The BOXPLOT Procedure

Summary Statistics Represented by Box Plots

Table 28.7 lists the summary statistics represented in each box-and-whiskers plot.

Table 28.7: Summary Statistics Represented by Box Plots

Group Summary Statistic

Feature of Box-and-Whiskers Plot

maximum

endpoint of upper whisker

third quartile (75th percentile)

upper edge of box

median (50th percentile)

line inside box

mean

symbol marker

first quartile (25th percentile)

lower edge of box

minimum

endpoint of lower whisker


Note that you can request different box plot styles, as discussed in the section Styles of Box Plots, and as illustrated in Example 28.2.