Six Sigma Green Belt MCQs Quiz Multiple Choice Questions & Answers

1. A 3 sigma process will have

1. 233 ppm
2. 6210 ppm
3. 308770 ppm
4. 66810 ppm

2. A correlation analysis is used to provide a numeric value for which of the following types of relationships between two variables?

1. Random
2. Linear
3. Curvilinear
4. Causation

3. A measurement system analysis is designed to assess the statistical properties of

1. gage variation
2. process performance
3. process stability
4. engineering tolerances

4. Cause and Effect Diagram is not known as

1. Isihikawa Diagram
2. 4-M
3. Affinity Diagram
4. None of the above

5. Cause and effect diagram is used for:

1. Identifying root cause
2. Generating ideas
3. Reducing duplicate ideas

6. Cost benefit analysis does not include

1. Project benefits
2. Project cost factors
3. Project gain
4. Impact on competitor

7. For a normal distribution, two standard deviations on each side of the mean would include what percentage of the total population?

1. 95%
2. 68%
3. 47%
4. 34%

8. In order for value flow analysis to be effective, a team must take which of the following steps first?

1. Define the value stream
2. Eliminate backlogs in the value stream
3. Identify overlapping functions in the value stream
4. Identify specific work practices within the value stream

9. It is a technique to trace the rule responsible for the problem and break the assumption for the process

1. Assumption Busting
2. Analogy Technique
3. Benchmarking
4. Constrained Brain writing

10. Positional, cyclical, and temporal variations are most commonly analyzed in

1. SPC charts
2. multi-vari charts
3. cause and effect diagrams
4. run charts

11. Statistical process control (SPC) is best defined as the use of

1. Pareto charts to understand and control a process
2. inputs to control critical and complex processes
3. statistical methods to identify and remove manufacturing errors
4. statistical methods to understand and control a process

12. The critical path for a project is best described as the

1. sequence of steps with the highest costs
2. tasks in the project that have the highest risk of failure
3. sum of the tasks with the shortest time requirements
4. longest path from the start to the completion of the project

13. The DMAIC model is defined as:

1. Deliver, measure, analyze, install and control
2. Define, measure, analyze, improve and control
3. Define, measure, analyze, initiate and control

14. The statistics that summarize a population are referred to as

1. categorical statistics
2. descriptive statistics
3. probabilistic statistics
4. control statistics

15. The team prepares Data Management Plan during which of the following phase:

1. Define phase
2. Measure phase
3. Improve phase

16. To calculate 99.97% statistical control limits, the practical use of sigma level should be:

1. +/- 3 sigma
2. +/- 2 sigma
3. +/- 1 sigma

17. What are the ways of capturing VOC

1. Surveys
2. Focus Groups
3. Brainstorming
4. A&B

18. What is the correct order of the six-sigma phases?

1. Define, Analyze, Improve, Control, Measure
2. Define, Analyze, Measure Improve, Control
3. Define, Measure, Analyze, Improve, Control
4. Define, Measure, Analyze, Control, Improve

19. What type of data is illustrated by discrete distributions?

1. Variable data
2. Ordinal data
3. Continuous data

20. When the sampling method used creates a difference between the result obtained from the sample and the actual population value, the difference is known as

1. correlation
2. precision
3. accuracy
4. bias

21. Which of the following is a commonly accepted level for alpha risk?

1. 0.05
2. 0.5
3. 0.7
4. 0.95

22. Which of the following is a non parametric test

1. Regression
2. 2 tailed 2 sample t test
3. ANOVA
4. Kruksal test

23. Which of the following is the key objective of a six sigma project?

1. Developing detailed control charts for critical processes
2. Developing a matrix to understand the hows and whats of a problem process
3. Reducing variation in critical processes
4. Reducing investment costs while improving output quality

24. Which of the following measures is increased when process performance is improved?

1. Variability range
2. Capability index
3. Repeatability index
4. Specification limits

25. Which of the following measures is used to show the ratio of defects to units?

1. DPU
2. DPO
3. DPMO
4. PPM

26. Which of the following shapes is used to present a termination point in a flowchart?

1. Rectangle
2. Diamond
3. Arrow
4. Oval

27. Which of the following terms is used to describe the risk of a type I error in a hypothesis test?

1. Power
2. Confidence level
3. Level of significance
4. Beta risk

28. Which of the following tools can be used to identify and quantify the source of a problem?

1. Affinity diagram
2. Control chart
3. Pareto chart
4. Quality function deployment

29. Which of the following tools is used extensively in quality function deployment (QFD)?

1. Affinity diagram
2. Matrix diagram
3. Cause and effect diagram
4. Activity network diagram

30. Which of the following tools is used to identify potential events and contingencies for an implementation plan?

1. PERT chart
2. Process decision program chart
3. Fishbone diagram
4. House of quality

31. Which of the following tools is used to translate broad requirements into specific requirements?

1. A quality control plan
2. The theory of constraints (TOC)
3. A critical to quality (CTQ) tree
4. A process flowchart

32. Which of the p value indicates a stable data

1. 0.67
2. 0.03
3. 0.019
4. A&B

33. Which of these are not Multivariate analyses?

1. Factor analysis
2. MANOVA
3. ANOVA
4. Cluster analysis

34. Which of these is not a Measure of Dispersion

1. Range
2. Variance
3. Median
4. Standard Deviation