Control charts: valuable quality tools if you know why, when to use.
Charts track process variation over time, identifying potential problems. A process that is in control is not necessarily a good process. Don't put the cart before the horse; first identify the process that needs improvement.
D019985:Benchmarking; D003626:Data Display; D003627:Data Interpretation, Statistical; D017598:Efficiency, Organizational; D006801:Humans; D017064:Process Assessment, Health Care / Q000379:methods*; D014481:United States