Bravman Clothing sells high-end clothing products and is launching a service in which they use a same-day courier service to deliver purchases that customers have made by working with one of their personal stylists on the phone.

In a pilot study, Bravman collected 25 observations consisting of the wait time the customer experienced during the order process, the customer’s purchase amount, the customer’s age, and the customer’s credit score. The file bravman contains the data for these 25 observations.

a. Construct a table lens on these data sorted in decreasing order with respect to the values of the Purchase Amount variable.

b. What can you infer about the relationship between Purchase Amount and the other variables based on the table lens?