FREE Lean Six Sigma Green Belt Knowledge 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 Lean Six Sigma Green Belt Knowledge Questions and Answers flashcards as text
What is the purpose of a Measurement System Analysis (MSA) in the Measure phase?
Answer: To determine if the measurement system is capable of producing reliable and accurate data
MSA evaluates the accuracy, precision, and overall reliability of a measurement system to ensure the data collected can be trusted for analysis.
Which control chart would be most appropriate for monitoring the number of defects per unit when the sample size varies?
Answer: u-chart
The u-chart tracks the number of defects per unit and is designed for use when the sample size or inspection area varies between subgroups.
In the DMAIC methodology, what is the main deliverable of the Analyze phase?
Answer: A validated root cause of the problem
The Analyze phase focuses on identifying and statistically validating the root causes of defects or process variation that were measured in the previous phase.
What does a Cpk value of 1.33 indicate about a process?
Answer: The process is capable with adequate margin for minor shifts
A Cpk of 1.33 means the process fits within specifications with a reasonable safety margin, corresponding to approximately 63 defects per million opportunities.
Which of the 8 wastes of Lean refers to producing more than what the customer currently demands?
Answer: Overproduction
Overproduction means making more product than is needed or making it before it is needed, and it is often considered the worst waste because it triggers other wastes.
What is the primary function of a control plan in the Control phase of DMAIC?
Answer: To document the procedures and monitoring needed to sustain process gains
A control plan documents the monitoring methods, response plans, and responsibilities needed to maintain the improvements achieved during the project.