EXAMPLE 21 Choosing the appropriate graphical summary
Statistically literate citizens recognize that one may select different graphical summaries, depending on the intention of the presenter. Figures 35a, 35b, and 35c contain a dotplot, a histogram, and a stem-and-leaf display, respectively, of the average size of households in the 50 states and the District of Columbia. Which graphical summary— the dotplot, the histogram, or the stem-and-leaf display—is most useful if our primary objective is to
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