Lean Six Sigma Green Belt Certification Free Lean Six Sigma Green Belt Questions and Answers 2

Question 1

What is the primary purpose of a SIPOC diagram in the Define phase?

Accepted Answer

To provide a high-level overview of the process including suppliers, inputs, process steps, outputs, and customers

Answer

To calculate the sigma level of a process

Answer

To identify the root cause of defects

Answer

To create a detailed process flowchart

Question 2

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

Accepted Answer

Special cause variation is likely present

Answer

The process is operating within normal variation

Answer

The measurement instrument is broken

Answer

The sample size is too small

Question 3

Which of the following best describes the concept of 'Voice of the Customer' (VOC)?

Accepted Answer

The customer's stated and unstated needs and expectations

Answer

Internal quality metrics set by management

Answer

The company's marketing message to customers

Answer

Employee feedback about customer interactions

Question 4

What does a Measurement System Analysis (MSA) primarily evaluate?

Accepted Answer

The accuracy, precision, and stability of the measurement system itself

Answer

Whether the process is capable of meeting specifications

Answer

How fast measurements can be taken

Answer

The cost-effectiveness of measurement equipment

Question 5

What is the purpose of a Pareto chart in Lean Six Sigma?

Accepted Answer

To identify the vital few causes that account for the majority of problems

Answer

To show the trend of a metric over time

Answer

To display the relationship between two variables

Answer

To map the flow of materials through a process

Question 6

Which tollgate review occurs at the end of the Improve phase in DMAIC?

Accepted Answer

Review of implemented solutions and their verified impact on the process

Answer

Verification that the problem statement is accurate

Answer

Confirmation that root causes have been statistically validated

Answer

Approval of the control plan and handoff documentation

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