Lean Six Sigma Yellow Belt Certification The Control Phase 4

Question 1

What is the purpose of a 'handoff' or transition plan at the end of a DMAIC project?

Accepted Answer

To ensure the process owner and operators can sustain the improvements without the project team

Answer

A handoff plan ensures the process owner has the knowledge, tools, and authority to maintain improvements after the project team disbands.

Question 2

Which type of control is generally considered the most robust for preventing defects?

Accepted Answer

Engineering or physical controls (mistake-proofing)

Answer

Engineering controls are the most robust because they prevent errors automatically without relying on human memory or compliance.

Question 3

In the Control phase, a 'replication plan' refers to:

Accepted Answer

Applying successful improvements to similar processes or locations across the organization

Answer

A replication plan identifies other areas of the business where the same improvements can be implemented to multiply the benefit.

Question 4

What does 'Sustain' (the 5th S in 5S) require from leadership?

Accepted Answer

Ongoing reinforcement, audits, and accountability to maintain standards

Answer

Sustain requires consistent leadership reinforcement through regular audits, recognition, and accountability to prevent backsliding.

Question 5

When should control chart control limits be recalculated?

Accepted Answer

After a confirmed process change has been implemented and stabilized

Answer

Control limits should be recalculated only after a deliberate, confirmed process change so the chart reflects the new baseline performance.

Lean Six Sigma Yellow Belt Certification Practice Test