Foundational Six Sigma vocabulary and role definitions tested on the Green Belt certification exam.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- What does DMAIC stand for in Six Sigma?
- Define, Measure, Analyze, Improve, Control
- What does DMADV stand for?
- Define, Measure, Analyze, Design, Verify
- When should DMAIC be used instead of DMADV?
- When improving an existing process, not designing a new one
- What is a Green Belt in Six Sigma?
- A quality professional trained to lead improvement projects, typically part-time, with support from Black Belts
- What is a Black Belt in Six Sigma?
- A full-time expert who mentors Green Belts, leads complex projects, and has advanced statistical knowledge
- What is a Master Black Belt?
- An expert trainer and mentor of Black Belts who coaches, develops strategy, and oversees program implementation
- What is a Six Sigma Champion in an organization?
- A senior leader responsible for removing barriers, securing resources, and ensuring project success
- What is process capability?
- The ability of a process to produce output that meets specified requirements or customer specifications
- What is the difference between common cause and special cause variation?
- Common cause is natural, inherent variation; special cause is abnormal variation from a specific source
- What does sigma level measure?
- The number of standard deviations between the process mean and the nearest specification limit
- What is DPMO?
- Defects Per Million Opportunities, a metric expressing the number of defects found in one million units produced
- What is the target DPMO for Six Sigma level performance?
- 3.4 defects per million opportunities
- What is a Z-score in statistical analysis?
- The number of standard deviations a data point is from the mean
- What is standard deviation?
- A measure of how spread out data values are from the average
- What is a control limit in process control?
- A statistically calculated boundary used to determine whether a process is in control
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