EXAMPLE 11.8 Assets, Sales, and Profits in Pairs
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CASE 11.1 With three variables, we also have three pairs of variables to examine. Figure 11.4 gives the three correlations, and Figure 11.5 displays the corresponding scatterplots. We used a scatterplot smoother (page 68) to help us see the overall pattern of each scatterplot.
Figure 11.4: FIGURE 11.4 Correlations, Example 11.8.
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Figure 11.5: FIGURE 11.5 Scatterplots of pairs of variables, Example 11.8.