Don't Compare Averages

In business meetings, it's common to compare groups of numbers by
comparing their averages. But doing so often hides important information
in the distribution of the numbers in those groups. There are a number of
data visualizations that shine a light on this information. These include
strip charts, histograms, density plots, box plots, and violin plots.
These are easy to produce with freely available software, working on
groups as small as a dozen, or as large as thousands.

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