Characterization Flowchart - A3 Page Size (PDF)

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To characterize a process is to determine if future process behavior can be predicted within limits using a process behavior chart.

This flowchart outlines the logic of characterization. It serves as a reminder that when all of the values on a process behavior chart fall inside the process limits, the underlying causal system is characterized as predictable. Here, only common causes of routine variation influence process behavior and future process behavior CAN be predicted within the process limits.

Conversely, when one or more values fall outside the process limits, the underlying causal system is characterized as unpredictable. Here, both common causes of routine variation and assignable causes of exceptional variation influence process behavior and future process behavior CANNOT be predicted within the process limits.

To characterize a process is to determine if future process behavior can be predicted within limits using a process behavior chart.

This flowchart outlines the logic of characterization. It serves as a reminder that when all of the values on a process behavior chart fall inside the process limits, the underlying causal system is characterized as predictable. Here, only common causes of routine variation influence process behavior and future process behavior CAN be predicted within the process limits.

Conversely, when one or more values fall outside the process limits, the underlying causal system is characterized as unpredictable. Here, both common causes of routine variation and assignable causes of exceptional variation influence process behavior and future process behavior CANNOT be predicted within the process limits.