Microsoft Excel, a spreadsheet and data analysis ... One feature that was lacking however was an easy way to make box-and-whisker plots, so-called because their outliers resemble cat whiskers.

This will force Excel to scan your selection ... Here's how to read a box plot: In this example, we're plotting seven schools ...

is available for Excel users at a modest cost. Some books and software have redefined the definitions of box plots. For example, they may plot means and variances rather than medians and quartiles ...

The following example uses the flight delay data of the preceding example to illustrate how you can create box plots with various styles of box-and-whisker plots. The following statements create a ...