Lean Six Sigma Yellow Belt Certification The Control Phase 5

Question 1

An operator notices 8 consecutive data points on the same side of the centerline in a control chart. This is called:

Accepted Answer

A run rule violation indicating a potential process shift

Answer

Eight consecutive points on one side of the centerline is a run rule violation signaling a likely process shift, even if no points are outside control limits.

Question 2

How does a control plan differ from a project charter?

Accepted Answer

A control plan is a living document used post-project; a charter initiates the project

Answer

The project charter launches the DMAIC project, while the control plan is created at the end to govern ongoing process management after project closure.

Question 3

Which of the following best illustrates 'visual management' in a sustained process?

Accepted Answer

Color-coded floor tape marking where materials should be stored

Answer

Visual management makes the correct condition immediately obvious to anyone in the work area without needing to consult a report.

Question 4

In the Control phase, 'piloting' a solution before full deployment helps to:

Accepted Answer

Reduce risk by testing the control mechanism on a small scale first

Answer

Piloting on a small scale confirms that control mechanisms work as intended before committing to full-scale implementation.

Question 5

What is the significance of a Cpk value less than 1.0?

Accepted Answer

The process is incapable and is producing output outside specification limits

Answer

A Cpk below 1.0 means the process is producing defects outside the specification limits and is considered incapable.

Lean Six Sigma Yellow Belt Certification Practice Test

Lean Six Sigma Yellow Belt Certification Practice Test

Lean Six Sigma Yellow Belt Certification The Control Phase 5