Six Sigma Quiz

What does Six Sigma describe in a statistical sense?

• A process, product, or service with extremely low capability

• A process, product, or service with extremely high capability

• A program designed to increase defects

• A method to increase costs

What is one of the goals of a Six Sigma program?

• Increase defects

• Increase costs

• Save time and improve customer satisfaction

• Decrease customer satisfaction

Who insisted that management accept responsibility for building good systems?

• Peter Drucker

• W. Edwards Deming

• Henry Ford

• Frederick Taylor

What does managing quality support according to the text?

• High cost and low differentiation strategies

• Differentiation, low cost, and response strategies

• Only differentiation strategies

• Only response strategies

What is affected by the lack of quality in an organization?

• Only the supplier

• Only the customer

• The entire organization from supplier to customer

• Only the product design

Which of the following is a user-based definition of quality?

• Better performance, more features

• Conformance to standards

• Precise and measurable attributes

• Cost efficiency

What is the first step in constructing control charts?

• Compute the overall means

• Collect 20 to 25 samples

• Graph the sample means

• Investigate points or patterns

At what level are control limits usually set when computing overall means for control charts?

• 95%

• 99.73%

• 90%

• 85%

If a process is not currently stable, which symbol is used to calculate limits instead of X̄?

• μ

• σ

• R̄

• Σ

What should be done if points or patterns indicate the process is out of control?

• Ignore the variation

• Assign causes and address them

• Increase sample size

• Reduce the number of samples