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Quality Assurance SPC statistical process control software for an organization’s continuous improvement program.
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X-MR chart: What does it look like?

The individuals chart, on top, shows each reading. It is used to analyze central location. The moving range chart, on the bottom, shows the difference between consecutive readings. It is used to study system variability.

X-MR range chart

See also:
>X-MR chart: What is it?
>X-MR chart: When is it used?
>X-MR chart: Getting the most