Lean Six Sigma Green Belt Certification DMAIC: Define Phase Concepts 5

Question 1

Which VOC collection method is BEST suited for gathering quantitative data from a large customer population?

Accepted Answer

Structured surveys with rating scales

Answer

Focus groups

Answer

One-on-one interviews

Answer

Gemba walks (observation)

Question 2

In a SIPOC, the 'O' column represents outputs. Which of the following is an example of an output?

Accepted Answer

A completed insurance claim form delivered to the adjuster

Answer

Raw materials received from a vendor

Answer

The software system used to process transactions

Answer

The employee who performs data entry

Question 3

A project has a stated baseline defect rate of 8% and a goal of reducing it to 3% within six months. Which charter element does this information belong to?

Accepted Answer

Goal statement

Answer

Business case

Answer

Team roles section

Answer

Risk assessment

Question 4

Which of the following scenarios indicates that the Define phase has been completed INSUFFICIENTLY?

Accepted Answer

The team cannot clearly state who the customer is or what they need

Answer

The team conducted both customer interviews and surveys for VOC

Answer

The project charter was signed by the champion before tollgate review

Answer

The SIPOC was reviewed and updated by the process owner

Question 5

What is the relationship between VOC and CTQs in the Define phase?

Accepted Answer

VOC is the raw customer input that is translated into specific, measurable CTQ requirements

Answer

VOC and CTQs are interchangeable terms for the same concept

Answer

CTQs are collected first, then VOC is used to validate them

Answer

VOC is only relevant in the Measure phase, not Define

Question 6

A Six Sigma team is defining the project and realizes the problem spans five departments. What is the RECOMMENDED approach?

Accepted Answer

Narrow the project scope to focus on one or two departments and address others in future projects

Answer

Immediately proceed to root cause analysis across all five departments

Answer

Assign a separate Green Belt to each department to work independently

Answer

Skip the Define phase and move directly to Measure to save time

Question 7

Which of the following is a key characteristic of a well-written problem statement in the Define phase?

Accepted Answer

It describes the gap objectively using data without speculating about causes or solutions

Answer

It identifies the root cause so the team knows where to focus measurement efforts

Answer

It proposes a solution that the team will validate in the Improve phase

Answer

It assigns accountability to the department responsible for the defect