The stem-and-leaf plot splits the data value into two categories, the stem for the first digit and the leaf for the last. These types of plots are frequently used for calculating averages for test results. The stem-and-leaf plot shown above is used in determining the age range for attendance at a family reunion. The ages start at 1 and go all the way up to 81. There is an eighty year difference between the age of the youngest attendee and the oldest. There is not a certain age that attended more than the others. the ages were scattered.
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