Lean Six Sigma Black Belt Certification FREE Lean Six Sigma Black Belt Define and Measure Phases Questions and Answers 2

Question 1

A Black Belt is chartering a new project. Which tool best helps translate the Voice of the Customer into measurable Critical-to-Quality characteristics?

Accepted Answer

CTQ tree

Answer

A CTQ tree systematically breaks down broad customer needs into specific, measurable quality requirements.

Question 2

During the Define phase, what is the primary purpose of a SIPOC diagram?

Accepted Answer

To provide a high-level overview of the process before detailed mapping

Answer

A SIPOC diagram gives stakeholders a high-level snapshot of Suppliers, Inputs, Process, Outputs, and Customers before diving into detailed analysis.

Question 3

Which metric represents the number of defect opportunities per million that a process produces?

Accepted Answer

DPMO

Answer

Defects Per Million Opportunities (DPMO) quantifies the defect rate normalized to one million opportunities for comparison across processes.

Question 4

A process has a short-term capability index Cp of 2.0 but a Cpk of 1.2. What does this indicate?

Accepted Answer

The process spread is acceptable but the mean is shifted off-center

Answer

A Cp higher than Cpk indicates the process variation fits within spec limits but the process mean is not centered between them.

Question 5

In the Measure phase, what is the primary purpose of conducting a Gage R&R study?

Accepted Answer

To quantify measurement system variation due to repeatability and reproducibility

Answer

A Gage R&R study separates measurement variation into repeatability (equipment) and reproducibility (operator) components to ensure data reliability.

Lean Six Sigma Black Belt Certification Practice Test

Lean Six Sigma Black Belt Certification Practice Test

Lean Six Sigma Black Belt Certification FREE Lean Six Sigma Black Belt Define and Measure Phases Questions and Answers 2