Lean Six Sigma Yellow Belt Six Sigma Fundamentals Questions and Answers

Question 1

A Six Sigma project team is in the initial phase of improving a manufacturing process.
They need to create a high-level map that identifies all the parties involved, from the origin of the process inputs to the customers who receive the final product.
Which tool is most appropriate for this purpose?

Accepted Answer

SIPOC Diagram

Answer

Fishbone (Ishikawa) Diagram

Answer

Control Chart

Answer

Pareto Chart

Question 2

What is the primary role of a Lean Six Sigma Yellow Belt within a process improvement project?

Accepted Answer

To act as a subject matter expert and assist with data collection and process mapping.

Answer

To lead complex, cross-functional projects and mentor Green Belts.

Answer

To provide financial oversight and approve project charters.

Answer

To develop new statistical analysis tools for the organization.

Question 3

Which of the following correctly lists the five phases of the DMAIC methodology in the correct order?

Accepted Answer

Define, Measure, Analyze, Improve, Control

Answer

Design, Measure, Analyze, Implement, Control

Answer

Define, Mobilize, Analyze, Improve, Certify

Answer

Design, Mobilize, Act, Implement, Communicate

Question 4

A customer service team notices a recent spike in complaints. A Yellow Belt on the team is tasked with helping to identify the most significant sources of these complaints to prioritize their problem-solving efforts. Which tool would be most effective for this task?

Accepted Answer

Pareto Chart

Answer

Scatter Diagram

Answer

5 Whys

Answer

Process Map

Question 5

The central idea of Six Sigma is to reduce which of the following in a process?

Accepted Answer

Variation and defects

Answer

The number of employees

Answer

The cost of raw materials

Answer

The number of process steps

Question 6

During the 'Analyze' phase of a DMAIC project, a team is brainstorming the potential root causes of a production defect. They want to organize these ideas into logical categories like Manpower, Method, Machine, and Materials. What is the most suitable tool for this activity?

Accepted Answer

Cause and Effect (Fishbone) Diagram

Answer

Control Plan

Answer

Project Charter

Answer

Histogram

A Six Sigma project team is in the initial phase of improving a manufacturing process.They need to create a high-level map that identifies all the parties involved, from the origin of the process inputs to the customers who receive the final product.Which tool is most appropriate for this purpose?