Learn how to use a control chart in Excel to monitor and analyze your process variation. Find out how to calculate and plot the center line and control limits, and how to identify out-of-control ...

Control Chart: A statistical tool used to monitor process stability and signal when a process may be deviating from its expected performance.

Conclusions Statistical process control charts have been in use for nearly 100 years. These charts are powerful tools, but it can be confusing to determine the appropriate data collection parameters.

These are typically captured using a control chart -- a statistical tool used in manufacturing or business to show the extent of the variation in a process.

Statistical process control (SPC) is an analytical technique that plots data over time. It helps us understand variation and in so doing guides us to take the most appropriate action.