Lean Six Sigma Yellow Belt Certification The Define Phase 4

Question 1

Which tool used in the Define phase directly links customer requirements to measurable process characteristics?

Accepted Answer

CTQ tree

Answer

A CTQ (Critical to Quality) tree breaks down customer needs into specific, measurable quality drivers that the process must meet.

Question 2

In Lean Six Sigma, 'process entitlement' refers to:

Accepted Answer

The best performance a process has historically achieved

Answer

Process entitlement is the best sustainable performance a process has demonstrated, representing the upper limit achievable without redesign.

Question 3

A Yellow Belt is asked to describe the 'as-is' process during Define. This means they should document:

Accepted Answer

How the process actually works today, not how it is supposed to work

Answer

The 'as-is' process captures reality on the shop floor, which often differs from documented procedures and reveals hidden issues.

Question 4

Which metric is most commonly used in the Define phase to quantify the financial impact of a quality problem?

Accepted Answer

Cost of Poor Quality (COPQ)

Answer

COPQ captures internal and external failure costs, appraisal costs, and prevention costs to express quality problems in financial terms.

Question 5

During a SIPOC session, the team debates whether to list a step as part of the process or as a separate supplier input. The best approach is to:

Accepted Answer

Keep SIPOC high-level (5–7 steps) and resolve details in process mapping later

Answer

SIPOC is intentionally high-level; granular process details are best captured in detailed process maps during later phases.

Lean Six Sigma Yellow Belt Certification Practice Test