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Certified Lean Six Sigma Black Belt (CLSSBB) (CLSSBB) - GAQM Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
300 Total Questions
1
Question
If a Six Sigma project was to reduce changeover times and the team found the project success was
decreasing over time since changeover times began to creep back up, which Lean tools should be considered in the Control Phase to reestablish and sustain the project success?
Options
A Reword the standardized work instructions to use active verbs and not passive phrases
B Improve the lighting to assure adequate visibility
C Implement Kanbans to assure enough inventory for the process step
D Confirm a Visual Factory exists to assure proper communication of status of machines
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2
Question
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?
Options
A The Mean is less than $4,200.
B The Standard Deviation is equal to $300.
C The Mean is greater than $ 4,200.
D The Mean is equal to $4,060.
E The Mean is less than $4,320.
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3
Question
Calculate the Rolled Throughput Yield of this process using this data. Data. unit input: 1450, unit output: 1390, defects repaireD. 320, scrap: 60
Options
A 77.93%
B 71.33%
C 73.79%
D 72.66%
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4
Question
The Waste of Overproduction is defined as ______________________.
Options
A The extra movement of material
B The unnecessary movement of people and equipment
C Producing more than the next step needs or more than the customer buys
D The liability of materials that are bought, invested in and not immediately sold or used
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5
Question
What aspects of Measurement Systems Analysis (MSA) studies are applicable when the process used to measure does not damage the part?
Options
A Nondestructive variable gage R&R and Nested Study
B Destructive variable gage R&R and Crossed Study
C Nondestructive variable gage R&R and Crossed Study
D Destructive variable gage R&R and Nested Study
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