Lean Six Sigma Green Belt Certification FREE Lean Six Sigma Green Belt Knowledge 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, Outputs, and Customers

Answer

A SIPOC diagram maps Suppliers, Inputs, Process steps, Outputs, and Customers to give a high-level snapshot of the process scope.

Question 2

In a hypothesis test, what does a Type II error represent?

Accepted Answer

Failing to reject a false null hypothesis

Answer

A Type II error (beta error) occurs when you fail to reject the null hypothesis even though it is actually false.

Question 3

Which Lean tool uses a visual board with columns such as To Do, In Progress, and Done to manage workflow?

Accepted Answer

Kanban

Answer

Kanban is a visual workflow management method that uses cards on a board with columns to limit work in progress and optimize flow.

Question 4

What does the term 'Muda' refer to in Lean methodology?

Accepted Answer

Waste in a process

Answer

Muda is the Japanese term for waste, referring to any activity that consumes resources but creates no value for the customer.

Question 5

Which statistical measure describes the spread of data by calculating the average squared deviation from the mean?

Accepted Answer

Variance

Answer

Variance is calculated as the average of the squared differences from the mean, measuring how far data points spread from the central value.

Lean Six Sigma Green Belt Certification Practice Test