These are typically captured using a control chart -- a statistical tool used in manufacturing ... an indication of the performance of the process. The mean is related to accuracy or systematic ...

Control charts establish limits for a manufacturing or business process that's ... The three sigma limit is statistical data within three standard deviations from a mean. Three sigma limits ...

Control chart ... deviations from the mean of the distribution Type I error- concluding a process is not in control when it actually is Type II error- concluding a process is in control when it is not ...

Statistical Process Control charts have been called the Voice of the Process. Progressive manufacturers utilize control charts to 'listen' to their processes so that potentially harmful changes ...

This article applies the basics of stability, performance, and capability to modern process performance and capability indices. Performance metrics for processes are an area of much regulatory ...

However, the validity of these rules holds when the fundamental assumptions underlying the classical Shewhart control charts are met. Otherwise, applying traditional statistical process control (SPC) ...