Amman Electric Generators has been getting many complaints from its major customer, Arabian Generators, about the quality of its shipments of home generators. Kahlil, the plant manager, is alarmed that a customer is providing him with the only information the company has on shipment quality. He decides to collect information on defective shipments through a form he has asked his drivers to complete on arrival at customers' stores. The forms for the first 283 shipments have been turned in. They show the following over the past 8 weeks: This exercise contains only part a. a) Using the point drawing tool eight times, develop a scatter diagram using total number of shipments and number of defective shipments