Lean Six Sigma Green Belt Sample Paper: Measure

This sample paper will check your knowledge on Measure phase for LSS Green Belt

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1. The specifications for room temperature are: USL=24, LSL=18, Process Average=22 and standard deviation is 1. What is the Zlt?

3

5

4

2

2. 2000 forms were inspected, 127 forms were incomplete and therefore considered defective. What is Zlt?

2.53

1.53

1.03

2.63

3. 1000 projectors were inspected. 64 defects were observed. Consider OFE unknown. What is Zlt?

1.64

1.73

1.24

1.54

4. For diameter of a ball, the Cp is 0.75, and Cpk is 0.75. We wish to improve the capability of the process. What should we do?

Move mean closer to target

Reduce variation

Both ‘a’ and ‘b’

None of the above

5. The FTY yield of four sub‐processes is 99%, 98%, 99% and 97%. What are the RTY and Zlt?

RTY =94.63% and Zlt =1.61

RTY =93.63% and Zlt =1.52

RTY =94.17% and Zlt =1.57

RTY =93.17% and Zlt =1.49

6. The average delivery time of a product=22 minutes, standard deviation=6, what is the expected DPMO if the delivery is desired within 30 minutes? (Assume delivery time follows normal distribution)

90143

85243

91211

88156

7. A mobile phone can have up to 5 defects. 200 mobile phones were inspected and 56 defects were observed. What is Zlt?

1.59

1.61

1.63

1.56

8. The main deliverable of Measure Phase is

Identify the Project

Evaluate Current Performance

Control Plan

List of Potential Causes

9. The diameter of a component should be 8mm±2mm. The average diameter is 7 and standard deviation (within) is 1. What is Cp, Cpk?

Cp=0.67, Cpk=0.33

Cp=1.67, Cpk=1.33

Cp=1.33, Cpk=1

Cp=2, Cpk=2

10. An improvement manager collects a product every 30 minutes for testing. What sampling method did the improvement manager use?

Random Sampling

Stratified Sampling

Systematic Sampling

Homogenous Sampling

11. Appraiser A agrees with him/herself, Appraiser B agrees with him/herself across trials, Appraiser A & B don’t agree with each other. What primary error is it?

Reproducibility

Repeatability

Appraiser Accuracy

Stability

12. Which of the following statement is not true?

Appraiser Repeatability can be more than Team Reproducibility

Team Reproducibility can be more than Team Accuracy

Team Reproducibility can be equal to Team Accuracy

Appraiser Repeatability can be less than Team Reproducibility

13. If Zlt =3, what is DPMO =

1349.9

13499

66807

6798

14. Central Limit Theorem states that, for large values of n, the distribution of the sample________ will converge to a normal distribution even though the random variable x (individual data points) may be non‐normal

Mean

Sum

Both ‘a’ and ‘b’

None of the above

15. Specification limit is

Maximum value in the collected data

Minimum value in the collected data

Both ‘a’ and ‘b’

Specified/stated by the customer

16. Which of the following data type is classified as continuous?

Defective (Yes/No)

Weight of the cricket ball

Types of Ice‐Cream

Number of No Balls bowled by a bowler