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Lean Six Sigma Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What is the primary goal of Lean Six Sigma?✔✔To improve process efficiency and reduce defects
What phase of DMAIC focuses on identifying the problem?✔✔Define
What Lean concept focuses on reducing activities that do not add value?✔✔Waste elimination
What is the main purpose of a SIPOC diagram?✔✔To identify suppliers, inputs, process, outputs, and customers
What does the "Y = f(x)" equation in Six Sigma represent?✔✔Output is a function of input variables
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Who is responsible for leading Six Sigma projects?✔✔Black Belt
What tool is used to display process steps in sequence?✔✔Process map
What is the purpose of a fishbone diagram?✔✔To identify possible causes of a problem
What does the term "Kaizen" mean in Lean?✔✔Continuous improvement
What phase of DMAIC is used to find root causes?✔✔Analyze
What does DPMO stand for?✔✔Defects Per Million Opportunities
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What Lean Six Sigma role provides strategic direction and resources?✔✔Champion
What is takt time used to measure?✔✔The pace of production needed to meet customer demand
What tool would you use to prioritize problems based on impact?✔✔Pareto chart
What is the voice of the customer (VOC)?✔✔Customer needs and expectations
What does standard deviation measure in Six Sigma?✔✔The spread or variation of a data set
What is the goal of the Improve phase in DMAIC?✔✔To develop and test solutions for process improvement
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