Xie Zang is considering buying a new car. Because she had a good experience with her previous car from XYZ Motors, she determines that a car from XYZ Motors will best meet her current needs. This is an example of the brand role in customer purchase decisions.

Statistical process control charts: a. indicate to the operator the true quality of material leaving the process. b. display upper and lower limits for process variables or attributes and signal when a process is no longer in control. c. indicate to the process operator the average outgoing quality of each lot. d. display the measurements on every item being produced. e. are a graphic way of classifying problems by their level of importance, often referred to as the 80-20 rule.