A department store receives customer orders through its call center and website. These orders as well as any special orders received in the stores are forwarded to a distribution center where workers pull the items on the orders from inventory, pack them, and prepare the necessary paperwork for the shipping company that will pick up the packages and deliver them to the customers. In order to monitor the subprocess of pulling the items from inventory, one order is checked every 15 minutes to determine whether the worker has pulled the correct item.

a. Identify the process of interest.

b. Identify the variable of interest. Is it quantitative or qualitative?

c. Describe the sample.

d. Describe the inference of interest.

e. How likely is the sample to be representative?