Discover how quality control charts help track product standards, pinpoint issues, and ensure processes meet specifications with this essential tool for quality assurance.
A control chart begins with a time series graph. A central line (X) is added as a visual reference for detecting shifts or ...
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How to Calculate and Utilize Upper Control Limit
A control chart consists of several parts. It has two control limits and an average line. The bottom dashed line is called the lower control limit (LCL). The solid middle line is the average of the ...
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