anel A plots the means of the two groups, which gives no way to assess the relative overlap of the two distributions.  Panel B shows the same bars, but also overlays the data points, jittering them so that we can see their overall distribution.  Panel C shows a violin plot, which shows the distribution of the datasets for each group.  Panel D shows a box plot, which highlights the spread of the distribution along with any outliers (which are shown as individual points)." width="576" />
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F