http://www.bbc.co.uk/bitesize/ks3/maths/handling_data/collecting_recording/revision/8/
Description: Stem and Leaf Plots aim to show quantitative data in the form of a graph. The way numbers are plotted helps with visualizing distribution among data. They way this plot works is by splitting up the numbers. for example if the numbers given were 21, 22, and 23 the 2 would be on one side of the plot along with the connected numbers 1, 2, and 3 on the other side of the plot.
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