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.