Please watch the video:
https://mediaplayer.pearsoncmg.com/assets/_embed.true/PM_tgdzi44khJzk_lTZDsxuL11u97z20
Pick a variable which a company might want to track. Discuss how this variable would be measured. Then discuss what an appropriate control chart would be based on the variable type. Attach a fictitious (or real, if you have data) control chart. Discuss whether the underlying process is under control given your chart.