Dotplots and stem-and-leaf displays both show every data value.
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cause they both plot something
stem and leaf plots are used in math
Prerequisite It is helpful to have an understanding of the mean, median and the mode prior to beginning work with Stem and Leaf Plots.
stem-and-leaf plots
it is simply another way to plot data and look at the distribution. It is similar to a histogram except the leaves are horizontal instead of vertical. The advantage is in a stem and leaf plot you have listed all the values, unlike a histogram which gives you a range of values the data fall into.