Lean Six Sigma Green Belt Certification Free Lean Six Sigma Green Belt Questions and Answers 2

Question 1

What is the primary purpose of a SIPOC diagram in the Define phase?

Accepted Answer

To provide a high-level overview of the process including suppliers, inputs, process steps, outputs, and customers

Answer

A SIPOC diagram maps Suppliers, Inputs, Process, Outputs, and Customers to give a high-level snapshot of the process scope.

Question 2

In a control chart, what does a point beyond the Upper Control Limit (UCL) indicate?

Accepted Answer

Special cause variation is likely present

Answer

A point beyond the UCL signals special cause variation, meaning something unusual has affected the process.

Question 3

Which of the following best describes the concept of 'Voice of the Customer' (VOC)?

Accepted Answer

The customer's stated and unstated needs and expectations

Answer

VOC captures both the expressed and latent needs and expectations of customers to drive quality improvements.

Question 4

What does a Measurement System Analysis (MSA) primarily evaluate?

Accepted Answer

The accuracy, precision, and stability of the measurement system itself

Answer

MSA evaluates the measurement system for repeatability, reproducibility, accuracy, and stability to ensure data reliability.

Question 5

What is the purpose of a Pareto chart in Lean Six Sigma?

Accepted Answer

To identify the vital few causes that account for the majority of problems

Answer

A Pareto chart applies the 80/20 rule to prioritize the few significant causes that drive most of the defects or issues.

Lean Six Sigma Green Belt Certification Practice Test