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| Criterion |  Operations DMAIC |  Operations Root Cause Analysis |  Operations Scatter 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 a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 2-12 Wochen | 1-4 h | 30-90 min |
Participantsdifferent | 3-10 | 3-8 | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Scatter Plot, Korrelationsnotiz, Hypothesenliste |
Tags1 shared | Continuous improvementQualityProcess improvement | Root causeProblem solvingQualityIncident | Root causeQualityVisualization |
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