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

To assign blame for project delays

Answer

To reduce the number of team members

Answer

To skip unnecessary phases

Question 2

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

Accepted Answer

ANOVA

Answer

Chi-square test

Answer

Paired t-test

Answer

Two-sample t-test

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

The process is operating normally

Answer

The specification limit has been exceeded

Answer

The sample size is too small

Question 4

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

Accepted Answer

The best performance a process has demonstrated historically

Answer

The customer's minimum acceptable quality level

Answer

The theoretical maximum output of a machine

Answer

The budget allocated to a Six Sigma project

Question 5

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

Accepted Answer

FMEA

Answer

Pareto chart

Answer

Fishbone diagram

Answer

SIPOC

Question 6

What is the purpose of a multi-vari study?

Accepted Answer

To identify the dominant source of variation among positional, cyclical, and temporal families

Answer

To calculate process capability indices

Answer

To design a full factorial experiment

Answer

To map the value stream of a process