Six Sigma Green Belt MCQ Questions and Answers for Practice

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