Stem and leaf plot

http://www.shmoop.com/basic-statistics-probability/stem-leaf-plots.html



   The above image displays a stem and leaf plot. A stem and leaf plot is a device for presenting quantitative data in a graphical format to assist in visualizing the shape of a distribution. The above stem and leaf plot displays fifteen different numbers arranged in descending order on the stem side. The numbers interpreted by the plot are: 90, 94, 83, 84, 85, 87, 89, 79, 72, 72, 79, 65, 68, 69, 53.