Free Lean Six Sigma Black Belt Exam Practice Test

Take the Six Sigma Black Belt Practice Test to prepare for your Six Sigma certification. With these Lean Six Sigma Black Belt Exam Questions, you can chart the areas of quality testing that you aren’t familiar with and strengthen them. Give it a go today!

  • 100 Questions,
  • 180 Minutes
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1. This is a FREE test and can be attempted multiple times. But it is recommended to take the test when you are ready for best practice experience.

2. Test Duration: 180 Minutes

3. Number of questions: 100 Multiple Choice Questions

4. Each question has multiple options out of which one or more may be correct

5. You can pause the test in between and you are allowed to re-take the test later. Your test will resume from where you left, but the test time will be reduced by the amount of time you've taken in the previous attempt.

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1. The purpose of Six Sigma is to:
2. What is Six Sigma?
3. DMAIC stands for:
4. DFSS stands for:
5. Six Sigma Level can be achieved by having:
6. DMADV stands for :
7. The purpose of Toll Gate review is to:
8. What is the primary role of Master Black Belt?
9. Which role performs the following responsibilities: "Evangelize Six Sigma, provide resources and resolve any cross-functional issues"?
10. A Black Belt is expected to deliver what types of results from Six Sigma projects?
11. The purpose of capturing Voice of Customer is to:
12. In which role is a full-time professional to lead large Six Sigma projects?
13. What is the role of Black Belts in dealing with organizational roadblocks?
14. Why do Black Belts and Master Black Belts conduct closed-looped assessments of Six Sigma implementation?
15. What tool did Kaoru Ishikawa develop?
16. What is the best mechanism to collect VOC data?
17. Which of the following Six Sigma tools can be used by a team to prioritize a list of options to improve?
18. What does SWOT stand for?
19. The primary factor in the successful implementation of Six Sigma is to have:
20. What is Continual Improvement Process?
21. What type of chart one would typically use for analyzing positional, cyclical, and temporal variations?
22. If you need to collect data to analyze the symptoms of a problem, what tool will be most appropriate?
23. The purpose of having functional requirements is:
24. Increasing performance in a Six Sigma project from 3 sigma to 4 sigma would reduce defects per million by a factor of:
25. In a Cause and Effect diagram, some of the major cause categories are mother nature, management, measurement systems, and the following four standard causes:
26. To monitor the number of defects on different sample sizes, which of the following control charts is most appropriate to use?
27. What are the 5 elements of Kaizen?
28. What are the 5 Lean principles?
29. Measurement accuracy is attained when:
30. In a Normal distribution, approximately 68% of the data will occur within:
31. In FMEA exercise, the Risk Priority Number (RPN) is calculated as:
32. Which of the following activities is a value-added activity?
33. What does Lean help you with?
34. We want to test the performance of people before and after training. Which of the following tests can be used if the training improved workers
35. Which of the following is a chart that depicts the frequencies of measurement data?
36. The purpose of using control charts is to:
37. Design for Test is a design technique that offers a benefit of:
38. What does DFMEA stand for?
39. Which chart is used to prioritize the highest overall score received as part of the CE matrix?
40. What of the following is a basic pre-condition for Six Sigma to succeed?
41. What does SIPOC stand for?
42. Which question needs to be asked before preparing the SIPOC?
43. What are the various types of measurement scales?
44. What does nominal measurement define or classify?
45. Which measurement scale is a comparative scale of management?
46. What does Ratio Scale define?
47. Data can be categorized into which of these divisions?
48. Which is the most popular and most often used measure of Central Tendency in Six Sigma applications?
49. Which measure of Central Tendency in Six Sigma applications should be used when the data has outliners?
50. What are the measures of dispersion?
51. By which tool can measurement system accuracy be verified?
52. What are the different categories in which measurement system errors can be classified?
53. What are the 3 components associated with measurement systems accuracy?
54. What are the 2 components associated with measurement systems precision?
55. Which one of these is not a property of a good measurement system?
56. A standard with a known value of 25.4 mm is checked 10 times by one mechanical inspector using a dial caliper with a resolution of 0.025 mm. The readings obtained are:25.425 25.425 25.400 25.400 25.375 25.400 25.425 25.400 25.425 25.375 The tolerance value of this gage is 25 mm.Calculate the Bias value and % Bias.
57. Which chart indicates Part Variation?
58. What formula is used to measure Total Process Variation(?t) in terms of Gage(?m) and Part(?p) Variation?
59. What is Gage Variation(?m) in terms of Repeatability(?r) and Reproducibility(?o) variation?
60. What is the percentage threshold for GRR above which the gage needs to be replaced?
61. While selecting a sample, what rules should govern your choice?
62. Who is the process expert that does the rating of the samples, i.e., as okay, defective, etc.?
63. What does SPC stand for?
64. What does SEM stand for?
65. Which of the following is not a capability index for continuous data?
66. What is the formula for calculating Process Capability?
67. How do you derive Process Capability Index (Cpk) once you have the Cpl and Cpu values?
68. When is the Mean not centered?
69. Which one of these activities should ideally come first in the implementation of a Measure phase?
70. In a typical Measurement System Analysis activity, the GRR is 42% and the contribution is split equally among Gage Variation and Part Variation. What would you do?
71. The tool that you typically use in the Measure stage to scope a project is:
72. Which one of these is the most important precursor for calculating Capability?
73. Which of these measures would you normally associate with Process Capability of Discrete Data?
74. Which of the following methods directly helps you determine batch size?
75. Which type of chart is appropriate when sample size is variable and each sample may contain more than one instance of the targeted condition?
76. What is the purpose of PERT analysis during the Analyze phase of DMAIC?
77. Which form of leveling typically includes the use of heijunka boxes?
78. While performing monthly reviews, in the control chart of one of your production unit, you observe that the last 50 points are very near to the center line. All of them appear to be within about one sigma of the center line. What Interpretation would you derive from this?
79. In an analysis of variance, how is the F statistic used?
80. Flow of activities that include value-added as well as non- value added activities which take the raw material and deliver the end product to the customer, is called:
81. Which of the following are Warusa Kagen conditions?
82. Tremendous resistance can be expected in which Value Stream Analysis Phase(s)?
83. What does CLOSEDMITTS stand for?
84. Spaghetti charts graphically depict the movement of _____ and _______ in a process.
85. What does CE diagram stand for?
86. Box Plot is also known as:
87. Which kind of information does Box plot provide?
88. What does KPIV stand for?
89. To design for manufacturability, the following methods are introduced, except:
90. A limitation in Six Sigma implementation is when management applies the methodology:
91. In a scenario where one response variable and one predictor variable are to be tested, which regression analysis needs to be used?
92. When is Multiple Linear Regression to be used?
93. _____ shows the extent to which multicollinearity exists between predictors.
94. What tests for the presence of auto correlation between residuals?
95. What does PRESS in PRESS Statistic stand for?
96. Which regression procedures are used in stepwise regression?
97. What is Confidence Interval?
98. Which factors impact the confidence intervals for a sample data?
99. Which statistic can be used to determine the probability of variances occurring?
100. For a population variance of 1 and sample variance on data collected of 0.6, determine the probability that the sample variance can exceed 0.6. Sample size is 30.
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