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| Criterion |  Operations DMAIC |  Operations Scatter Diagram |  Operations Fishbone Diagram |
|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | High | Low | Low |
Timedifferent | 2-12 Wochen | 30-90 min | 30-60 min |
Participantsdifferent | 3-10 | 1-4 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tags1 shared | Continuous improvementQualityProcess improvement | Root causeQualityVisualization | Root causeQualityOperations |
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