ICYB: IASSC Certified Lean Six Sigma Yellow Belt

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QUESTION 1
When a process has proven itself to function at a Six Sigma level this means there are less than
________ defects per million opportunities.

A. 1.7
B. 2.6
C. 3.4
D. 10

Answer: C

Explanation:

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QUESTION 2
Six Sigma refers to a process whose output has at least 95% of its data points within 6 Standard
Deviations from the Mean.

A. True
B. False

Answer: B

Explanation:

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QUESTION 3
Training cost is $3,000 and a project required an initial investment of $12,000. If the project yields
monthly savings of $1,800 beginning after 3 months, what is the payback period in months (before
money costs and taxes)?

A. 4.17
B. 8.33
C. 11.33
D. 28.28

Answer: C

Explanation:

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QUESTION 4
The ROI for a project is a measurement metric that stands for Return on Investment and is one of
the methods used to measure the success of a Lean Six Sigma project.

A. True
B. False

Answer: A

Explanation:

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QUESTION 5
The DMAIC approach to problem solving stands for Define, __________, Analyze, Improve and
Control.

A. Manage
B. Measure
C. Memorize
D. Manipulate

Answer: B

Explanation:

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