The owner of a music store is wondering if he should target female customers in particular, because he believes they tend to spend more than male customers. However, he wants to check this belief. He asks the cashiers to keep track of the spending by a random sample of female customers and a random sample of male customers, over several days. The purchases are shown in Exhibit 2.87 below.
Create appropriate graphical displays to summarize and compare these data. Comment.
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