A free online reference for statistical process control, process capability analysis, measurement systems analysis, control chart interpretation, and other quality metrics.
Control charts are the best way to learn how a process is running. They are used to reduce the chance of making one of two kinds of mistakes:
If you are not sure which chart to use for your data, review the brief descriptions on data analysis tools.
Frequently-asked questions about control charts
For more on control charts and how they can help you, view a 4-minute video.