FREE Certified Six Sigma Black Belt Basic Questions and Answers Flashcards
6 cards from real Certified Six Sigma Black Belt Exam 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 Certified Six Sigma Black Belt Basic Questions and Answers flashcards as text
Which Six Sigma methodology is specifically designed for creating new processes or products rather than improving existing ones?
Answer: DMADV
DMADV (Define, Measure, Analyze, Design, Verify) is used for designing new processes or products to Six Sigma quality levels.
What is the primary purpose of a SIPOC diagram in the Define phase?
Answer: To provide a high-level overview of the process including suppliers, inputs, process, outputs, and customers
A SIPOC diagram maps out Suppliers, Inputs, Process, Outputs, and Customers to establish a high-level understanding of the process scope.
In hypothesis testing, what does a Type II error represent?
Answer: Failing to reject a false null hypothesis
A Type II error (beta error) occurs when the test fails to detect a real difference, meaning a false null hypothesis is not rejected.
What does a Cp value of 1.33 indicate about a process?
Answer: The process is capable with some margin of safety
A Cp of 1.33 indicates the process spread fits within the specification limits with a safety margin, corresponding to approximately 4-sigma capability.
Which tool is used to prioritize potential failure modes based on severity, occurrence, and detection ratings?
Answer: Failure Mode and Effects Analysis
FMEA uses Risk Priority Numbers calculated from severity, occurrence, and detection ratings to prioritize failure modes for corrective action.
What is the purpose of a Gage R&R study in the Measure phase?
Answer: To assess the variation contributed by the measurement system itself
Gage R&R (Repeatability and Reproducibility) quantifies how much of the observed variation is due to the measurement system versus the actual process.