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Six Sigma Demystified, Second Edition by Paul Keller

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Final Exam

1. As the Sigma Level for a process increases, its

A. error rate and costs of failure increase.

B. error rate and costs of failure decrease.

C. error rate decreases as costs of failures increase.

D. error rate is unaffected and costs of failure increase.

2. A process operating at a 3σ level of performance

A. has a capability of 1.25.

b. has a field error rate of approximately 7 percent.

C. can expect to receive customer complaints no more than 3.4 times in a million opportunities.

D. All the above are true.

3. Successful Six Sigma deployment is most often achieved

A. as a grass-roots effort within an organization.

B. as an initiative championed by upper management.

C. through widespread training of most employees in statistical problem-solving ...

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