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IASSC Certified Lean Six Sigma Black Belt (IASSC_ICBB) - IASSC Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
600 Total Questions
1
Question
Which statements are correct about the advanced Capability Analysis shown here? (Note: There are 3 correct answers).

Exhibit
Select 3
Options
A The average DPU with 95% confidence is between 0.024 and 0.0295
B This is a Poisson Capability Analysis
C The maximum DPU in one observation was nearly 0.0753
D The process shows only one instance of being out of control statistically so we have confidence in the estimated DPU of this process
E The DPU does not seem to vary depending on sample size
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2
Question
Common and Cause Variation are the focus of Statistical Process Control. ______________
Options
A Special
B Selective
C Uncommon
D Ordinary
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3
Question
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?
Options
A 1.00
B 0.5
C 2.00
D 0.89
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4
Question
A statistical test or Hypothesis Test is performed to reject or fail to reject a stated hypothesis and it converts the Practical Problem into a Statistical Problem.
Options
A True
B False
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5
Question
Review the analysis shown here. Which statements are true about the process? (Note: There are 3
Select 3
Options
A The process has more problems with Variation than Centering
B The process follows a non-normal distribution with the given data
C This process is described with the Weibull Distribution
D The initial focus for this project would be to determine why the thicknesses are so frequently too low
E The majority of the process is closer to the lower specification limit
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