Box Plot

http://staffweb.mps.k12.mi.us/MurphyLL/Resources.html

Box plots are used to represent data at  its five number summaries which consist of sample minimum, lower quartile, median, upper quartile, and sample maximum. This box plot diagram shows the annual snow depths at mathsville ski resort. The line all the way to left shows that the sample minimum is approximately 30, the lower quartile approximately 50, the median approximately 75, upper quartile approximately 105, and the sample maximum approximately 125.