Vrajeshparikh330 tagoddard and Denaeclementine has anyone else deleted your question cuz someone just did for me and that was figuresk8r89 he deleted a question i just got brainiest on its not fair how do you delete questions

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.