1. What is the minimum allowed number of data points for Cpk Analysis
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Correct Answer:
17
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2. The accuracy of a measuring instrument is linked to the U.S National Standards by:
Answer
Correct Answer:
Traceability
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3. What design methodology uses the IDEA process for product definition and development?
Answer
Correct Answer:
Portfolio architecting
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4. Which of the following statements about the Student T distribution are true? i) It has a mean of t=0 ii) As the sample size reduces, the student t distribution gets closer to the standard normal distribution iii) The standard deviation of the t distribution is always greater than 1
Answer
Correct Answer:
1,2 & 3
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5. Which of the following is NOT an automated regression testing tool?
Answer
Correct Answer:
TinderBot
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6. In Measurement System Analysis the variance contribution allowed for Gage R & R is a maximum of:
Answer
Correct Answer:
30%
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7. Cpk has been calculated for a stable, non-automated process. Then, the operator is told to check samples at random and make centering adjustments based on the sample readings. One would expect that:
Answer
Correct Answer:
Process capability has gotten worse
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8. Kano Model shows the path towards what behavior?
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Correct Answer:
Delighting a customer
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9. Of the following, for what purpose would a p-chart be used?
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Correct Answer:
Monitor the fraction defective
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10. If the data set which gives a KS Test p-Value greater than 0.05, the data is called
Answer
Correct Answer:
Not Not Normal
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11. Which of the following is NOT a normally accepted control chart interpretation rule violation?
Answer
Correct Answer:
Ten points in a row in zone 1
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12. If four inspectors were evaluated for the detection and non-detection of a defect in twenty samples, how many degrees of freedom would be used to determine the critical chi-square value?
Answer
Correct Answer:
3
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13. A manufacturer of bicycles would like to visualize where the defects occur on the bicycles. The defects encountered so far include missing bolts, paint peeling, missing decals, sharp edges, and bent metal parts. A useful tool for this application is a:
Answer
Correct Answer:
Measles chart
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14. "Process ACME" involves the manufacturing of Smart boxes. In Process ACME, A,B,C & D are the opportunities for defects. In one such process, 20 defects were found in 100 smart boxes made. What is the six sigma level at which Process ACME is operating?
Answer
Correct Answer:
3.145
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15. Which of the following statements is false with respect to Gage R&R?
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Correct Answer:
When conducting an R&R Study, you must not use production parts, or parts that are similar to production parts
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16. What does a control limit indicate?
Answer
Correct Answer:
a process event or measurement is likely to fall within that limit
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17. Which of the following statements is NOT true regarding the short run set chart?
Answer
Correct Answer:
The control limits are looser than with X-bar and R charts
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18. Which of the following sets of variables can be controlled to change performance in six sigma?
Answer
Correct Answer:
Independent Variables
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19. What information does Cp convey?
Answer
Correct Answer:
Process potential
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20. There is a 50% chance that a bike will be produced with a defect. This probability is called the:
Answer
Correct Answer:
throughput yield
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21. When the Upper Specification Limit (USL) and Lower Specification Limit (LSL) for a Six Sigma Process are plotted on a Normal Distribution, they are located at:
Answer
Correct Answer:
+6 standard deviations and -6 standard deviations from the Mean, respectively
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22. A chart that contains defect types on the X axis, customers on the Y axis, and numbers of defects at the corresponding column and row intersections is called:
Answer
Correct Answer:
A matrix diagram
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23. The expected (theoretical) value for a cell in a contingency table is calculated by which formula:
Answer
Correct Answer:
row total * column total / grand total
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24. Quality Function Deployment (QFD) is what kind of a tool?
Answer
Correct Answer:
Planning Tool
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25. What does 5 sigma represent in defects per million opportunities (DPMO)?
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Correct Answer:
233 defects per million opportunities
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26. Subgroups are used in which types of SPC charts?
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Correct Answer:
Xbar charts
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27. Why is acceptance sampling conducted?
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Correct Answer:
To estimate if the entire lot is of acceptable quality
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28. A process resulting in 99% accuracy to customer specifications, is equivalent to what Sigma level (Process Capability)?
Answer
Correct Answer:
3.8 Sigma
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29. The following objectives are relevant to which Phase of a DMAIC Six Sigma Project: * Identify the measurable Y metric that will be improved. * Define a defect from the customer’s perspective * Ensure that you can trust the measurement of the Y
Answer
Correct Answer:
Measure
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30. Which of the following devices are associated with the visual factory
Answer
Correct Answer:
Andon boards
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31. The following objective is relevant to which Phase of a DMAIC Six Sigma Project: To identify the process and Critical to Quality (CTQ) parameters which will be improved, using Voice of the Customer (VOC), Quality Function Deployment (QFD), Pareto Chart, etc.
Answer
Correct Answer:
Define
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32. A Six Sigma Black Belt would be responsible for all of the following except:
Answer
Correct Answer:
Line management of improved processes, post-implementation
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33. Which of the following represents how variance is computed?
Answer
Correct Answer:
Average squared deviation of each individual data point from the mean
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34. What six sigma technique is used to quantify the amount of error in a measurement system?
Answer
Correct Answer:
Gage R&R
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35. My company operates at a yield of 68.27%, At what sigmal level is my company operating at?
Answer
Correct Answer:
1 sigma
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36. Which of the following is not the preserve of a "Project Champion"
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Correct Answer:
Provides technical six sigma expertise
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37. What is the most logical reason for using short run SPC charts?
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Correct Answer:
There is limited data
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38. Cpk can be done only if KS Test p-value is greater than
Answer
Correct Answer:
0.05
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39. Which of the following methods model the effect of two or more inputs on an output variable?
Answer
Correct Answer:
Multivariate regression
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40. The QFD process can be described as:
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Correct Answer:
A customer driven process
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41. The distribution of the average of n samples will follow which distribution as n becomes large?
Answer
Correct Answer:
Normal
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42. How is the risk priority number in a FMEA exercise derived?
Answer
Correct Answer:
severity x occurrence x detection
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43. When used together for variables data, which of the following pair of quantities is the most useful in preparing controls charts?
Answer
Correct Answer:
X-bar and R
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44. What is the F distribution used for?
Answer
Correct Answer:
To study the equality of two variances
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45. Which of the following techniques is most suitable to collect requirements at the earliest stages of designing a process or a product
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Correct Answer:
QFD
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46. Which of the following tools is used to translate broad requirements to specific requirements:
Answer
Correct Answer:
Critical to Quality (CTQ) tree
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47. When implementing Statistical Process Control which of the following would be considered undesirable?
Answer
Correct Answer:
The control limits are wider than customer specification limits
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48. Callaway makes golf clubs. Which of the following is not considered one of Callaways internal customers?
Answer
Correct Answer:
Retail Store
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49. What does the total area beneath a normal curve equate to?
Answer
Correct Answer:
1
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50. Excessive conflict within a work team: A: Has a positive effect on creating alternate solutions B: Most often results in lose-lose situations C: Has a negative effect on team members and should be avoided
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Correct Answer:
B and C
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51. The proportion of units that go through a process for the first time without defect is called:
Answer
Correct Answer:
the first pass yield
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52. TPM efforts attempt to minimize six big losses. Which of the following would NOT be included:
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Correct Answer:
Employee absenteeism
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53. The mentor for a Green Belt exam should be at least be designated what?
Answer
Correct Answer:
Black Belt
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54. Why are variable control chart subgroup sizes generally 3, 4, 5, or 6? A: Larger subgroup sizes would permit an opportunity for process changes with the subgroup. B: They easily fit on traditional chart paper C: They are large enough so that averages of data will follow the normal distribution D: They permit a separation of within time from time-to-time variation
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Correct Answer:
A, C, and D
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55. The objective of Design of Experiments (DOE) is to:
Answer
Correct Answer:
Find the right settings for key process input variables, to optimize process performance
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56. In an estimated Rolled Throughput Yield (RTY) equation, what is the Defects per Unit (DPU) threshold limit?
Answer
Correct Answer:
<10%
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57. What first step should six sigma projects begin with?
Answer
Correct Answer:
Define
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58. Six Sigma is a managerial approach designed to create processes resulting in at most how many defects?
Answer
Correct Answer:
3.4 defects per million opportunities
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59. The surface appearance of a refrigerator is not satisfactory. This statement is the outcome of what analysis/evaluation?
Answer
Correct Answer:
Attribute Measurement
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60. Which quality innovator formulated the cause and effect diagram?
Answer
Correct Answer:
Ishikawa
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61. A team has been asked to improve the small purchase process in a firm. They decide to create a flow chart of the existing process because it will:
Answer
Correct Answer:
Visualize the process
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62. Team empowerment derives from: A. The organizational management B. Access to organizational information C. Access granted to organizational resources
Answer
Correct Answer:
A, B, and C
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63. When considering the "rule of thumb" that 20% of the inputs result in 80% of the outputs, what graphical tool is effective for prioritizing Critical X's?
Answer
Correct Answer:
Pareto Chart
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64. Which of the following are potential benefits of Process Mapping?
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Correct Answer:
(All of these)
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65. Measuring a process' performance against that of a best-in-class peer or competitor, and then using the findings to identify opportunities to improve, is defined as what?
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Correct Answer:
Benchmarking
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66. When the mean of the process is outside the customer specification limits the value of Cpk will be:
Answer
Correct Answer:
Negative
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67. What does a diamond symbol signify in a Process Map
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Correct Answer:
Decision
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68. When would Cp equal Cpk in a capability index calculation?
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Correct Answer:
When the process is perfectly centered
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69. Which of the following reflects the meaning of the word “Poka –Yoke�
Answer
Correct Answer:
Mistake Proof
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70. The over-arching intent of a Six Sigma analysis is to:
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Correct Answer:
Reduce variation to be within the customer's specification limits, and to center the process mean to align with the customer's target.
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71. What is mode?
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Correct Answer:
The most frequently occuring data point in a set of observations
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