FREE Lean Six Sigma Green Belt Knowledge Questions and Answers Flashcards
6 cards from real Lean Six Sigma Green Belt Certification practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 FREE Lean Six Sigma Green Belt Knowledge Questions and Answers flashcards as text
What is the primary purpose of a SIPOC diagram in the Define phase?
Answer: To provide a high-level overview of the process including Suppliers, Inputs, Process, Outputs, and Customers
A SIPOC diagram maps Suppliers, Inputs, Process steps, Outputs, and Customers to give a high-level snapshot of the process scope.
In a hypothesis test, what does a Type II error represent?
Answer: Failing to reject a false null hypothesis
A Type II error (beta error) occurs when you fail to reject the null hypothesis even though it is actually false.
Which Lean tool uses a visual board with columns such as To Do, In Progress, and Done to manage workflow?
Answer: Kanban
Kanban is a visual workflow management method that uses cards on a board with columns to limit work in progress and optimize flow.
What does the term 'Muda' refer to in Lean methodology?
Answer: Waste in a process
Muda is the Japanese term for waste, referring to any activity that consumes resources but creates no value for the customer.
Which statistical measure describes the spread of data by calculating the average squared deviation from the mean?
Answer: Variance
Variance is calculated as the average of the squared differences from the mean, measuring how far data points spread from the central value.
During the Improve phase, what technique involves systematically testing multiple factors and their interactions to find optimal settings?
Answer: Design of Experiments (DOE)
Design of Experiments (DOE) is a structured method for planning experiments to efficiently evaluate how multiple factors and their interactions affect a process output.