The use of Statistical Process Control (SPC) and how it works:

1. Define statistical process control (SPC) and briefly describe the history of SPC (its origins).
2. Provide an example of a control chart (either one you create or one you locate on the web) and label the parts of the chart.
3. Describe the derivation of the center line and control limits on a control chart and the meaning of each.
4. Explain the two types of process variationcommon cause and special cause.
5. Describe at least two signals of special cause variation that might be detected in a control chart.