IASSC Certified Lean Six Sigma Black Belt (ICBB) - Isaca Actual Exam Questions
Last updated on May 13, 2026
Calculate the Rolled Throughput Yield of this process using this data. Data. unit input: 1450, unit output: 1390, defects repaireD. 320, scrap: 60
71.33%
72.66%
73.79%
77.93%
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When conducting a Hypothesis Test using Continuous Data the proper sample size is influenced by the extent to which we need to assess a Difference to be detected and the inherent variation in the process.
True
False
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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).
Testing the identity of two populations
Focuses on equality of the Median of the two populations
Less powerful than the traditional “t-test”
More widely applicable than the traditional “t-test”
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Much of the Six Sigma methodology is used to identify and remove causes for _____________.
Process Variation
Material Costs
Excess Inventory
Lost Sales
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A valid mathematical Regression represents all of the characteristics shown except _________________.
All of the standardized residuals will be within ±3 Standard Deviations
The sum of the residuals is zero
The residuals when plotted follow a Normal Distribution
Most standardized residuals are within ±2 Standard Deviations
The Residual is equal to the difference between the observed and predicted values
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