Brian vargo, an auto repair mechanic who remains unemployed because he refuses to work for less than $1,000 an hour, is: a. not counted as part of the labor force. b. considered frictionally unemployed. c. an underemployed worker. d. counted as part of the labor force. e. considered as productively active.

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.