Lean Six Sigma Green Belt Certification FREE Lean Six Sigma Green Belt Prep Questions and Answers 2

Question 1

Which DMAIC phase focuses on identifying the root cause of a process problem?

Accepted Answer

Analyze

Answer

The Analyze phase uses data and statistical tools to identify and verify root causes of process problems.

Question 2

What is the primary purpose of a SIPOC diagram in Lean Six Sigma?

Accepted Answer

To provide a high-level overview of Suppliers, Inputs, Process, Outputs, and Customers

Answer

A SIPOC diagram maps out Suppliers, Inputs, Process steps, Outputs, and Customers to give a high-level view of a process.

Question 3

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

Accepted Answer

A special cause of variation

Answer

Points beyond control limits signal special cause variation, meaning something unusual has affected the process.

Question 4

What does the term 'Voice of the Customer' (VOC) refer to in Lean Six Sigma?

Accepted Answer

The customer's stated and unstated needs and expectations

Answer

VOC captures the customer's requirements, preferences, and expectations that drive quality improvement efforts.

Question 5

Which Lean tool is used to organize a workplace by sorting, setting in order, shining, standardizing, and sustaining?

Accepted Answer

5S

Answer

5S is a workplace organization method consisting of Sort, Set in Order, Shine, Standardize, and Sustain.

Lean Six Sigma Green Belt Certification Practice Test