Control Chart - QI Toolbox - Minnesota Dept. of Health

Control Chart

A control chart will help to monitor, control, and improve process performance over time by studying variation and its source. It helps to distinguish special from common causes of variation as a guide to local or management action. A process can be improved to perform consistently and predictably for higher quality, lower cost, and higher effective capacity. There are many types of control charts.

Once a process is selected to be charted, the sampling method and plan are determined. Data is then collected, statistics and control limits are calculated, and the chart is constructed.

See Also: Run Chart

Examples of Control Charts

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