Figure 2.30 gives a scatter plot of the number of units sold, y, of 20 varieties of a canned soup versus the amount of shelf space, x, allocated to each variety. Do you think that sales are affected by the amount of allocated shelf space, or vice versa?

Transcribed Image Text:

A Scatter Plot of Units Sold versus Shelf Space (for Exercise 2.60) FIGURE 2.30 SHELF SPACE X