CLSSGB: Certified Lean Six Sigma Green Belt Sample Questions
Question 1 – By using station warning lights, tool boards, and jidohka devices, what principle is achieved by applying Lean?
- A. Pilferage Minimization
- B. Visual Factory
- C. Management Awareness
- D. Operator Attentiveness
Correct Answer: B
Question 2 – The ____________________ is a Lean Principle that addresses efficiency by the process worker?
- A. Visual Factory
- B. Supervising
- C. Training
- D. Standardizing
Correct Answer: D
Question 3 – The management of a company must set the stage for all improvement efforts. Which of this 5Ss does it have the greatest influence over?
- A. Straighten
- B. Sort
- C. Shine
- D. Sustain
Correct Answer: D
Question 4 – Visual Factory plans include __________ cards for identifying areas that need to be cleaned and organized.
- A. Kanban
- B. Kaizen
- C. Poke-Yoke
- D. WhoSai
Correct Answer: A
Question 5 – With Kanbans, you can determine when products or services will be produced using pull systems.
- A. True
- B. False
Correct Answer: A
Question 6 – A Belt applies Poka-Yoke to a project challenge for the purpose of ensuring the activity is ______________.
- A. Well documented
- B. Removed from the line
- C. Mistake proofed
- D. Highly visible
Correct Answer: C
Question 7 – The ___________ Lean Principle action within the 5S approach deals with keeping items that are needed regularly close at hand and storing items that are less frequently needed out of reach.
- A. Shining
- B. Standardizing
- C. Sustaining
- D. Sorting
Correct Answer: D
Question 8 – When implementing SPC, it is preferred to focus on the outputs rather than the inputs.
- A. True
- B. False
Correct Answer: B
Question 9 – There are several causes for significant variation in process performance, which can be classified using which of the terminologies shown?
- A. Common
- B. Random
- C. Uneducated
- D. Special
- E. Vital
Correct Answer: A,D
Question 10 – The most effective way to eliminate defects when it comes to control is to _________________.
- A. Training personnel often and thoroughly
- B. Keeping a Six Sigma project going on the process at all times
- C. Designing defect prevention into the product
- D. Having each process consist of no more than five steps
Correct Answer: C
Question 11 – With good SPC implementation in a process, it is possible to implement Control Limit and Center Line calculations on a periodic basis.
- A. True
- B. False
Correct Answer: A
Question 12 – In SPC charts, data points are generally arranged on the right side according to their most recent date.
- A. True
- B. False
Correct Answer: A
Question 13 – If SPC was implemented, what would be the most undesirable situation?
- A. The lower Control Limit for the R chart is equal to zero
- B. Attempting to use SPC for tracking transaction times at a warehouse
- C. A process is in Statistical Control before implementation of SPC
- D. The Control Limits are wider than the customer specification limits
Correct Answer: D
Question 14 – In the case of continuous data with subgroups, which pair of charts would be preferred if the process has outliers?
- A. Individual—Moving Range
- B. Xbar-R Charts
- C. Xbar-S Charts
- D. nP and P Charts
Correct Answer: B
Question 15 – How would a Belt look for trends in the data after the smoothing process has been performed?
- A. Moving Average Chart
- B. Multi-Vari Chart
- C. X bar Chart
- D. Pareto Chart
Correct Answer: A
Question 16 – A Belt creates a Control Plan at the end of a Lean Six Sigma project. Is there a point when the Control Plan can be closed?
- A. Never, a Control Plan is a living document
- B. As soon as the Champion signs off
- C. Within 30 days of the LSS project review team meeting
- D. After the project has been presented at the recognition event
Correct Answer: A
Question 17 – While analyzing a data set, one metric is graphed as a function of another, frequently. The slope of the Correlation line would indicate that the two metrics are ________ correlated.
- A. Positively
- B. Not
- C. Negatively
- D. None
Correct Answer: C
Question 18 – What are the best situations for applying Multiple Linear Regressions (MLR)?
- A. Non-linear relationships between the inputs X’s and output Y
- B. Uncertainty in the slope of the linear relationship between an X and a Y
- C. Relationships between Y (output) and more than one X (Input)
- D. Preventing the use of a Designed Experiment if unnecessary
- E. We assume that the X’s are independent of each other
Correct Answer: C,D,E
Question 19 – Fractional Factorial designs are used, for an experimental approach, when ____________ about the multiple metric interaction in a process.
- A. Much is known
- B. Little is known
- C. We don’t care
- D. Data exists
Correct Answer: B
Question 20 – Occasionally, a belt will conduct an experiment called an OFAT, which stands for ____________________.
- A. Only a Few Are Tested
- B. Opposite Factors Affect Technique
- C. One Factor At a Time
- D. Ordinary Fractional Approach Technique
Correct Answer: C
