control chart
📖 ISTQB Glossary
Official ISTQB Definition
A statistical process control tool used to monitor a process and determine whether it is statistically controlled. It graphically depicts the average value and the upper and lower control limits (the highest and lowest values) of a process.
3 Ways to Think About It
The Quick Take
A graph showing process performance over time with control limits.
Look Closer
Visual tool for spotting when a process goes out of control.
The Bottom Line
Statistical chart that shows variation and trends in quality metrics.
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