Visualizing with Clarity - Data Points: Visualization That Means Something - page 231

what does that say about him as a player? These are subtle changes that can
greatly decrease or improve readability.
EXPLAIN STATISTICAL CONCEPTS
If a large proportion of your audience is unfamiliar with statistical concepts,
you can annotate to explain or help them relate. The descriptions in the pre-
vious scatter plot of basketball players are an example. They don't just point
out Dwyane Wade, DeSagana Diop, and Will Bynum. They also help explain
what the corner positions, as well as a partial outlier, on an x-y plot mean so
that readers can infer what positions in the middle represent. The pointer for
the trend line is a description of correlation.
Figure 5-34 is another scatter plot, but it focuses on the gender pay gap in
the United States, based on median salaries, according to the Bureau of Labor
FIGURE 5-34 Unannotated
scatter plot