Shewhart Control Charts
Variables and Attribute Control Charts
Control charts are a graphical and analytic tool for deciding whether a process is in a state of statistical control.
Using control charts, the natural variability in any process can be quantified with a set of control limits. Variation that exceeds these limits signals a special cause of variation. Out-of-control processes generally justify some intervention to fix a problem to bring the process back in control.
Shewhart control charts are broadly classified into control charts for variables and control charts for attributes. Moving average charts and cumulative sum (Cusum) charts are special types of control charts for variables.
The Control Chart platform in JMP implements ...