FREE LSSGB Questions and Answers Flashcards
6 cards from real Lean Six Sigma Green Belt Certification practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 FREE LSSGB Questions and Answers flashcards as text
What does the 'Control' phase of DMAIC primarily aim to achieve?
Answer: Sustain improvements over time
The Control phase implements monitoring systems and control plans to ensure that process improvements are maintained long-term.
Which Lean tool uses a visual board to limit work-in-progress and improve flow?
Answer: Kanban
Kanban uses visual boards with WIP limits to manage workflow, reduce bottlenecks, and improve throughput.
In a control chart, what do points outside the upper and lower control limits indicate?
Answer: Special cause variation
Points beyond control limits signal special cause variation, indicating an assignable factor is affecting the process beyond normal randomness.
What is the formula for calculating Defects Per Million Opportunities (DPMO)?
Answer: (Defects / (Units x Opportunities)) x 1,000,000
DPMO is calculated by dividing the number of defects by the total opportunities (units multiplied by opportunities per unit) and multiplying by one million.
Which of the following best describes 'muda' in Lean methodology?
Answer: Any activity that consumes resources without creating value
Muda refers to waste — any activity or process step that uses resources but does not add value from the customer's perspective.
What is the primary benefit of using a Measurement System Analysis (MSA)?
Answer: To ensure the measurement system is accurate and reliable
MSA evaluates the accuracy, precision, and stability of a measurement system to ensure collected data is trustworthy for decision-making.