Lean Six Sigma Black Belt Certification FREE Lean Six Sigma Black Belt Certification MCQ Questions and Answers 2

Question 1

What is the primary purpose of a tollgate review in DMAIC?

Accepted Answer

To ensure phase deliverables are complete before proceeding

Answer

Tollgate reviews verify that all required deliverables and criteria for a phase are satisfied before the team moves to the next phase.

Question 2

Which statistical test is most appropriate for comparing means of three or more groups?

Accepted Answer

ANOVA

Answer

ANOVA (Analysis of Variance) is designed to compare means across three or more groups simultaneously.

Question 3

In a control chart, what does a point beyond the upper control limit indicate?

Accepted Answer

A special cause of variation is present

Answer

A point beyond a control limit signals that a special cause of variation is likely affecting the process.

Question 4

What does the term 'entitlement' refer to in Lean Six Sigma?

Accepted Answer

The best performance a process has demonstrated historically

Answer

Entitlement is the best sustained performance a process has already shown it can achieve without capital investment.

Question 5

Which tool is used to prioritize potential failure modes based on severity, occurrence, and detection?

Accepted Answer

FMEA

Answer

FMEA (Failure Mode and Effects Analysis) calculates a Risk Priority Number using severity, occurrence, and detection ratings.

Lean Six Sigma Black Belt Certification Practice Test