Control charts are very important tools used in Statistical Process Control (SPC) to determine if a manufacturing or business process is in a state of statistical control, that is, they help monitor the stability of a process. Alison’s courses teach the learner all about control charts for attributes and the main features of control charts including the data points, a centerline (mean value), and upper and lower limits (bounds to indicate where a process output is considered 'out of control').
