Which of the following is not one of the ways companies can achieve efficiency? a. specialization of effort
b. reducing prices charged to customers
c. better technology and innovation
d. reorganization of all work activities

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.