http://walshmath01056.wikispaces.com/Mean,+Median,+Mode,+and+Range+Line+Plot+%26+Stem-and-Leaf+Plots
Stem-and-Leaf Plots are convenient graphical representations of single variable distribution. The Stem consists of the main unit while the Leaf shows subdivisions of that unit. Stem-and-Leaf plots are good for showing distribution patterns such as age variance and work hours. This graph shows mortality rates and their frequency.
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