Lean Six Sigma Yellow Belt Certification FREE Lean Six Sigma Yellow Belt Control and Sustainment Methods Questions and Answers 2

Question 1

Which document is primarily used to hand off a process improvement to the process owner during the Control phase?

Accepted Answer

Control Plan

Answer

Project Charter

Answer

SIPOC Diagram

Answer

Value Stream Map

Question 2

What is the purpose of a Standard Operating Procedure (SOP) in the Sustainment phase?

Accepted Answer

To document the new process steps so all operators perform consistently

Answer

To identify root causes of defects

Answer

To measure baseline process capability

Answer

To prioritize improvement projects

Question 3

In a control chart, what does a point falling outside the Upper Control Limit (UCL) indicate?

Accepted Answer

Special cause variation is present

Answer

The process is in statistical control

Answer

Common cause variation has decreased

Answer

The specification limits need adjustment

Question 4

Which sustainment technique involves scheduled reviews at 30, 60, and 90 days after implementation?

Accepted Answer

Post-implementation audit

Answer

Gemba walk

Answer

Kaizen event

Answer

Tollgate review

Question 5

What is the primary risk if a Visual Management system is NOT implemented during the Control phase?

Accepted Answer

Deviations from the improved process go unnoticed

Answer

The project charter becomes obsolete

Answer

Fishbone diagrams lose accuracy

Answer

DMAIC reverts to DMADV

Question 6

Which metric is most appropriate for monitoring whether a sustained process continues to meet customer requirements?

Accepted Answer

Process Capability Index (Cpk)

Answer

Return on Investment (ROI)

Answer

Net Promoter Score (NPS)

Answer

Earned Value (EV)