Examples of special cause variation include

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Reference no: EM132298151

Six sigma Exam green belt

1 All of the following are measures of Central Tendency except:

A. Measurement

B. Mean

C. Median

D. Mode

2. Which of the below test is used to validate the improvement for Discrete Data

A. 2 sample T Test

B. Formality Test

C. 2 Proportion Test

D. 1 Sample Z Test

3. Examples of Special Cause variation include:

A. Traffic lights

B. Typing mistake

C. Richer scale

D. All of the above

E. None of the above

4. Which of the following is a TRUE statement about ideas and techniques of Lean Six Sigma?

A. Specific to rapid improvement and not to used elsewhere

B. Only applicable in Manufacturing environments

C. Only to be used by Black Belts & Green Belts

D. Useful for a wide range of management challenges

5. The Define Stage of a DMAIC process is intended to

A. Agree between Green Belt and Sponsor, the scope and business objectives of project

B. Identify the solution of the problem

C. Identify the cause of the problem

D. Not communicate to management

6. What is the process of Cycle Efficiency (PCE) for a process with the following parameters: WIP =600 units; Value Add (VA) time = 5hrs; and Exit Rate = 20 units/hr?

A. 16.7%

B. 6%

C. 10%

D. 4%

7. Why should we assess process capability

A. Enable comparison of actual performance and the customer specific limit

B. We don’t really need to compare process capability if we already know the control limit

C. Process capability limit shows defect root cause

D. All of the above

8. There are a number of options to address variation in a process, which of the following is the BEST option?

A. Relax the specification limits

B. Optimize the mean

C. Reduce variation

D. None of the above

9. You can use an X-bar and R chart when:

A. I have an earlier version of Minitab which does not have I&MR charts

B. I want to observe shift in the mean of a process

C. The sub group size is 1

D. None of the above

10. A Control Chart is a:

A. Statistically- based tool for monitoring a process in real time

B. Graphical display showing process performance over time

C. Set of rules for determining when a process is statistical control

D. Trigger to initiate the response plan

E. All of the above

Reference no: EM132298151

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