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Chapter 16-Control - Coggle Diagram

- - - - 2 out of 3 points in a row on the control chart are in Upper A section or in the Lower A section
    - - 14 points on the control chart in a row alternate moving up and down
    - - 4 out of 6 points in a row are located in Upper B section (or beyond)
        
        Indicate a problem of major causation or a shift problem
    - - 6 points on the control chart increase or decrease in a row
    - - 15 points in a row located within the C section above or below the centerline
        
        Means when short-term variation variation is high or low relative to the rest
    - - 9 points in a row appear on one side of the center line
    - - 8 points in a row on control chart located on either side of the center line, but none are located in the C section above or below the line
        
        Indicate an issue of mixed resources or processes
    - - Single point appears on control chart outside of the upper or lower control limit