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7 Rules

The document outlines rules for interpreting control charts, specifically focusing on seven key rules that indicate potential issues in a process. These rules include criteria such as points exceeding control limits, patterns of points on one side of the centerline, and consistent trends. Understanding these rules helps in assessing the stability and performance of a process.

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Kgk
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749 views1 page

7 Rules

The document outlines rules for interpreting control charts, specifically focusing on seven key rules that indicate potential issues in a process. These rules include criteria such as points exceeding control limits, patterns of points on one side of the centerline, and consistent trends. Understanding these rules helps in assessing the stability and performance of a process.

Uploaded by

Kgk
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF or read online on Scribd
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Rules For Properly Interpreting Control Charts What is this control chart telling me about my Proceta? Rule1 Rule 1 - One point beyond the 3 o control limit Rule 2 - Eight or more points on one side of the centerline without crossing Rule 3 - Four out of five points in zone B or beyond Rule 4 - Six points or more in a row steadily increasing or decreasing Rule 5 - Two out of three points in zone A Rule 6 - 14 points in a row alternating up and down Rule 7 - Any noticeable/predictable pattern, cycle, or trend Image source: Mark Durivage By; Peter Liao 2024-07-04

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