Lean Six Sigma Yellow Belt Certification Lean Six Sigma Yellow Belt Certification MCQ 5

Question 1

Which role in a Lean Six Sigma organization typically leads Black Belt projects and serves as a full-time change agent?

Accepted Answer

Black Belt

Answer

Black Belts are full-time Six Sigma experts who lead complex projects and mentor Green Belts and Yellow Belts.

Question 2

In FMEA (Failure Mode and Effects Analysis), the Risk Priority Number (RPN) is calculated as:

Accepted Answer

Severity × Occurrence × Detection

Answer

RPN = Severity × Occurrence × Detection, where each factor is rated on a scale (typically 1–10) to prioritize failure modes.

Question 3

What does 'Kaizen' mean in the context of Lean Six Sigma?

Accepted Answer

Continuous, incremental improvement involving all employees

Answer

Kaizen is a Japanese philosophy meaning 'change for better,' focusing on small, continuous improvements made by everyone in the organization.

Question 4

A team notices a process average is stable but the range is increasing over time on a control chart. What is the most likely conclusion?

Accepted Answer

Process variability is increasing — a special cause may be present

Answer

An increasing range on the R-chart signals growing process variability, which may indicate a special cause even if the mean is stable.

Question 5

Which type of data is best described as 'counted data' that can only take whole number values (e.g., number of defects per unit)?

Accepted Answer

Discrete data

Answer

Discrete (count) data consists of countable whole numbers, such as the number of defects, errors, or occurrences per unit.

Lean Six Sigma Yellow Belt Certification Practice Test