New Updated Six Sigma Black Belt Certification CSSBB Exam Questions

1. Control Charts were developed by Dr. Shewhart to track data over time. To detect Special Cause variation the Control Charts use which of these?

2. A ___________ is used primarily to track the stability of the average value of a metric of interest.

3. Common and ______________ Cause Variation are the focus of Statistical Process Control.

4. In a good Measurement System the most variation will be with part-to-part measurements.

What should you do if the majority of variation is associated with the Gage R&R assuming the gage is technically capable?

5. Which statement(s) are incorrect about Fractional Factorial Designs?

6. When conducting a Hypothesis Test using Continuous Data the proper sample size is influenced only by the extent to which we need to assess a Difference to be detected but not the inherent variation in the process.

7. To be an effective Lean Six Sigma practitioner one must understand the difference between ___________________________.

8. How many experimental runs exist in a Full Factorial and fully randomized design for 5 factors with 2 replicates for the Corner Points and no Center Points? The factors in the experiment are only at 2-levels.

9. The distance between the Mean of a data set and the Point of Inflection on a Normal curve is called the _______________.

10. A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt’s effort requiring that the average cost of an internal critical raw material component be less than or equal to $4,200 in order to stay within budget. Using a sample of 35 first article components, a Mean of the new product upgrade price of $4,060, and a Standard Deviation of $98 was estimated.

The Alternative Hypothesis in the above example is?

11. To establish a sample size that will allow the proper overlap of distributions we do which of these?

12. From the variance F-test shown above, which of these conclusions is/are valid?

13. Which one of these tools is frequently used to help drill down to possible causes once a Fishbone Diagram is constructed?

14. From this list select the best example of Bias in Sampling.

15. The validity of the decision made with Hypothesis Testing is dependent upon all of the following except ______________________.

16. The primary objective in removal of waste is to improve the Order Production Cycle where the time from _________________ to the time of receipt of payment is compressed.

17. One of the methods of testing a Measurement System is to have at least two people take multiple readings from the same instrument and of the same sample set to judge the Repeatability and Reproducibly. This approach is called a ______________ study.

18. Screening experiments are the proper choice when a Belt is faced with the situation of highly Fractional Factorial Designs.

19. A(n) ________________ has occurred when two inputs have a greater impact on a change in the output than either of the inputs has by itself.

20. For a Normal Distribution as samples size increases the Range in Mean and Standard Deviation decrease relative to the Mean and Standard Deviation of the population.

21. The Central Limit Theorem says that as the sample size becomes large the sample Mean distribution will form a Normal Distribution, ____________________.

22. A ___________ problem in the Measurement System suggests that there is a lack of consistency in the measurement over time.

23. Handling of warranty returns, process improvement team meetings and rework to meet customer expectations are all examples of business costs that are classified as ________________ .

24. How many experimental runs exist in a Full Factorial and fully randomized design for 4 factors with 2 replicates for the Corner Points and no Center Points? The factors in the experiment are only at 2-levels.

25. Range Charts are the technique used to determine if Special Causes are occurring within the subgroups of the ______________.

26. For a Normal Distribution as samples size increases the Range in Mean and Standard Deviation decrease relative to the Mean and Standard Deviation of the population.

27. When a Belt creates a Process Map she will use a __________________ to depict a decision point requiring a Yes or No decision.

28. Fractional Factorial designs are used to reduce the time and cost of experiments because the ____________ has been lowered.

29. The class score distribution of schools in a metropolitan area is shown here along with an analysis output. Comment on the statistical significance between the Means of the two distributions. Select the most appropriate statement.

30. “A calculated time frame that matches customer demand” is a definition of what Lean Principles term?

31. When analyzing the behavior of our process to assess customer satisfaction we are concerned about both the variation such that it stays within the spec limits and how well the Mean is __________________ the process requirements.

32. Situations where standardized work needs to be incorporated include all of these except _____________________.

33. When a Belt implements an improvement that is automated thus requiring no particular understanding for use he has applied which Lean tool?

34. Which statement is NOT correct about the Fitted Line Plot shown here?

35. Measurement __________ is defined as the difference between the observed and the expected values for a given set of data.

36. Which of these graphs demonstrates conditions which would be sufficient to enable OCAP for the process?

37. Time is always the metric on the horizontal scale of a(n) ___________ Chart.

38. One of the primary deliverables from performing a SIPOC is to begin to understand which inputs have the greatest affect on the ______________ outputs.

39. Contingency Tables are used to test for association, or dependency, between two or more classifications.

40. Fractional Factorial, ____________and Response Surface Method are types of planned experiments.

41. The distance between the Mean of a data set and the Point of Inflection on a Normal curve is called the _______________.

42. Following process modifications, the Null Hypothesis states that no improvement to the process has occurred. If we discover the Null Hypothesis Test was rejected when it was false that would be a(n) ________________________.

43. Which Experimental Design typically is most associated with the fewest number of input variables or factors in the design?

44. For a Kanban to be successful which of these must occur?

45. If an experiment has 5 factors and no replicates for a 2-level Experimental Design with 16 experimental runs which statement is incorrect?

46. A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt’s effort requiring that the average cost of an internal critical raw material component be less than or equal to $3,600 in order to stay within budget. Using a sample of 42 first article components, a Mean of the new product upgrade price of $3,200 and a Standard Deviation of $180 was estimated.

Based on the data provided, the Z value for the data assuming a Normal Distribution is?

47. Which statement(s) are incorrect for the Regression Analysis shown here? (Note: There are 2 correct answers).

48. A valuable tool to use during the Measure Phase to show material and information flow throughout an entire process is the ______________ .

49. Screening experiments are the proper choice when a Belt is faced with the situation of highly Fractional Factorial Designs.

50. Fractional Factorial, ____________and Response Surface Method are types of planned experiments.

51. A natural logarithmic base is not required for which of these distributions for probability calculations?

52. The method of Steepest Ascent guides you toward a target inside the original inference space.

53. Review the analysis shown here.





Which statements are true about the process? (Note: There are 3 correct answers).

54. Much of the Six Sigma methodology is used to identify and remove causes for _____________ .

55. Sally bought a blender from her local appliance store. When she changed blades the blender would not function.

For the manufacturer this would be categorized as what type of cost?

56. The Lean toolbox includes all of these items except ________________.

57. Which statement is most correct for the Regression Analysis shown here?

58. When a Belt properly analyzes the results of an experiment he must examine the Residuals in expectation of finding all of the following except _________.

59. Which of these graphical presentations displays the values of each individual reading?

60. A Lean Six Sigma project is attempting to reduce inventory days. The Process Capability will be monitored as part of the Control Phase to track the sustainability of the improvement.





Which distribution type is best used for performing the Capability Analysis?

61. At the very initiation of a project a Belt must develop a concise _______________ that states at a high level the area of concern and why it is important this issue be improved.

62. The Japanese born function of a Kaizen event utilizes a specific, step-by-step approach meant to bring about major changes to a process.

63. Which of these items are not part of what is necessary for successful Kaizens?

64. A dock worker for a feed supplier was tasked with assuring the proper weight in the feed bags as they left the dock. One of the columns listed the range of weight of the bags included in the studies. This required plotting a Histogram of the weight of the bags. While drawing the Histogram the x-axis contained a certain scale of data. Pick the scale of data that is appropriate for Histograms.

65. The most appropriate type of FMEA for a product before going into manufacturing is a ___________ FMEA.

66. When a Belt Poka-Yoke’s a defect out of the process entirely then she should track the activity with a robust SPC system on the characteristic of interest in the defect as an early warning system.

67. Questions that can be best answered by a Visual Factory include all of these except _____________________.

68. If a process has subgroups for Variable data and the process runs for a long period of time, then the best pair of SPC Charts to use would be an Xbar and _________.

69. The _____________ Distribution would be the most desirable for modeling the number of stitch defects in a portion of fabric.

70. The English words used for the 5S’s are __________ , _____________ , Shining, Standardizing and Sustaining. (Note: There are 2 correct answers).

71. Choose those characteristics of a Simple Linear Regression (SLR) Analysis that are applicable. (Note: There are 3 correct answers).

72. Review the analysis shown here.





Which statements are true about the process? (Note: There are 3 correct answers).

73. Situations where standardized work needs to be incorporated include all of these except _____________________.

74. When we compare short-term and long-term Capability which of these is true?

75. A Factorial Experiment based on a Level 2 Design with 4 factors would require 16 runs to fully assess the interactions.

76. A ___________ problem in the Measurement System suggests that there is a lack of consistency in the measurement over time.

77. When variation is removed from the output of a process then the process customer can have more confidence in the experience that results from the process.

78. Of the various types of data shown below which is NOT representative of Variable Data.

79. The reported Cpk for a process with an average of 104 units, a spread of 18 units and upper and lower specification limits of 122 and 96 units would be?

80. What is the Ppk of a process with a spread of 24 units, an average of 68, an upper limit of 82 and a lower limit of 54?

81. A valid Multiple Linear Regression (MLR) is characterized by all of these except _______________________.

82. If you can Poka-Yoke a defect out of the process entirely then you do not need use SPC on the characteristic of interest in the defect.

83. A Belt is analyzing data and upon creation of the graphical analysis sees multiple modes. One of the primary reasons this could occur is because the process has experienced a ____________________.

84. The Mann-Whitney test is a powerful test and is unique to situations from which of the choices listed? (Note: There are 2 correct answers).

85. Which Experimental Design typically is most associated with the fewest number of input variables or factors in the design?

86. The Mann-Whitney test is a powerful test and is unique to situations from which of the choices listed? (Note: There are 2 correct answers).

87. Measurement __________ is defined as the difference between the observed and the expected values for a given set of data.

88. A valid mathematical Regression represents all of the characteristics shown except _________________.

89. To properly analyze the variables impacting the output of a process we need to collect data that represents at least 80% of the variation in the process and assure ourselves we are collecting data from all three types of variation which are _______________.

90. Some of the sources for different types of error that can be quantified using Statistical Analysis are ___________________.