The image above is a stem and leaf plot. Stem and leaf plots are used to show quantitative information in a graphical format. The map above shows the GDP of Western Africa. The key helps to understand the map. The numbers to the left always stands for the first number. In the first row there is 1 and an 80 so the first row respresents $180.00. In the second row there are three sets of numbers. That row represents $240.00, $260.00, $270.00.
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