Investopedia / Julie Bang A three sigma limit is a statistical ... designed processes. Control charts determine if there's a controlled or uncontrolled variation in a process.

DUBLIN--(BUSINESS WIRE)--The "6-Hour Virtual Seminar on Statistical Process Control & Process Capability ... such as using an appropriate chart and sample size for the application, with effective ...

These are typically captured using a control chart -- a statistical tool used in manufacturing or business to show the extent of the variation ... by taking a sample of items in a process, adding ...