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Stem-and-leaf plot
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A way of ordering data in order of size, from least to greatest value. Two-digit numbers are sorted first by the tens digit and then by the ones digit.
A data set consisting of the numbers 12, 67, 5, 20, 10, 17, 22 and 78 can be arranged in a table in which the tens digits are the stems and the ones digits the leaves:
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