Box Plots are
used to represent relatively small data
sets. The standard format of a box is shown
The outliers are points that are more than
1.5 times the interquartile range above
the third quartile or below the first quartile.
The whiskers extend to the largest, and
smallest, data values that are not outliers.
See the Process
Improvement Tools topic for
more tools used in Six
Sigma and process improvement.