FREE Certified Six Sigma Black Belt Trivia 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.
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In a Six Sigma project, what does the term 'entitlement' refer to?
Answer: The best performance a process has demonstrated historically
Entitlement is the best performance level a process has consistently achieved in its history, serving as a realistic improvement target.
Which tool is used to prioritize potential failure modes based on severity, occurrence, and detection?
Answer: FMEA
Failure Mode and Effects Analysis (FMEA) uses severity, occurrence, and detection ratings to calculate a Risk Priority Number for prioritization.
What is the primary purpose of a Multi-Vari study in Six Sigma?
Answer: To identify the dominant source of variation among positional, cyclical, and temporal factors
A Multi-Vari study helps identify whether the largest source of variation is positional, cyclical, or temporal within a process.
In Design of Experiments (DOE), what does a confounded effect mean?
Answer: Two or more effects cannot be estimated independently of each other
Confounding occurs when the effect of one factor cannot be distinguished from the effect of another factor or interaction.
What is the key difference between a Type I and Type II error in hypothesis testing?
Answer: Type I rejects a true null hypothesis; Type II fails to reject a false null hypothesis
A Type I error (alpha) incorrectly rejects a true null hypothesis, while a Type II error (beta) fails to reject a null hypothesis that is actually false.
Which control chart is most appropriate for monitoring the number of defects per unit when the sample size varies?
Answer: u-chart
The u-chart tracks defects per unit and accommodates varying sample sizes, unlike the c-chart which requires constant sample size.