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Lean Six Sigma Green Belt Sample Paper 2: Measure

1. The design specification for a cap diameter is 2 ± 0.05 cm. The diameter data follows normal distribution with mean of 2.02 cm and standard deviation of 0.01 cm. Calculate Cp, Cpk and give appropriate recommendation
2. The purpose of operational definition is
3. 100 transactions were inspected, 20 errors were found in 15 transactions. What is DPU?
4. Which of the following statements is FALSE?
5. Quality team at an online retailer checks images and classifies them as “OK” or “NOT OK”. Although 70% of the images are handled by automation, 30% images are still checked manually which the system fails to classify correctly. Which of the following is an appropriate method to validate the manual measurement system?
6. All the statements given below are false, EXCEPT
7. During frisking at airports, the metal detectors are passed over the metal belt first. This is an example of:
8. An appraiser provides consistent scores every time he makes a measurement. All other appraisers show similar performance. However many of them do not agree with the standard answer. The issue is with the:
9. As per the SLA, all complaints should be resolved within 8 hours. Currently the average resolution time is 4.57 hours and standard deviation is 0.8 hours. What is DPMO?
10. DPMO can be calculated from:
11. The FTY’s of four sequential process steps are 0.8, 0.91, 0.90, 0.99. What is Zlt?
12. If Cpk=2.5, what is Z approx.?
13. “Higher the better” applies to all the following, EXCEPT