The advantage of using Dotplot by Alice over stemplot chosen by Joyce is that Dotplot works easier on large data sets with respect to stemplot.
Dotplot allows the data to get sorted as the values are plotted whereas stemplot requires the values to be sorted before the data must enter in the plot.
It is easy to determine the shape of the distribution, that is, symmetrical or asymmetrical while using Dotplot whereas we should not able to determine the shape of the distribution while using stemplot.
Dotplot shows the original data that is single dot represents the original number whereas stemplot does not shows the original data that is first digits of the number represents as stem and last digits represents as leaf.
To learn more about Dotplot here
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