GAT Quality Assurance and Improvement 3

Question 1

In Six Sigma, what does a process operating at 'six sigma' level mean in practice?

Accepted Answer

No more than 3.4 defects per million opportunities

Answer

Zero defects are produced

Answer

All processes are automated

Answer

Specifications are set at ±6 standard deviations

Question 2

Which phase of the DMAIC framework focuses on identifying the root causes of defects?

Accepted Answer

Analyze

Answer

Define

Answer

Measure

Answer

Improve

Question 3

A quality team wants to verify whether a process improvement actually reduced defect rates. Which statistical tool is most appropriate?

Accepted Answer

Hypothesis testing

Answer

Cause-and-effect diagram

Answer

Flow chart

Answer

SIPOC diagram

Question 4

What is the primary purpose of a SIPOC diagram in quality improvement projects?

Accepted Answer

To provide a high-level overview of a process and its stakeholders

Answer

To map control limits for key process metrics

Answer

To rank defect causes by frequency

Answer

To track daily defect counts

Question 5

Which of the following is an example of an 'internal failure cost' in quality management?

Accepted Answer

Rework performed before product ships

Answer

Customer warranty claims

Answer

Product recall costs

Answer

Lost customer goodwill

Question 6

A company compares its quality metrics against those of the best-performing companies in its industry. This practice is called:

Accepted Answer

Benchmarking

Answer

Root cause analysis

Answer

Gap analysis

Answer

Process auditing

Question 7

Which type of variation in a process is caused by factors that are always present and inherent to the process design?

Accepted Answer

Common cause variation

Answer

Special cause variation

Answer

Assignable cause variation

Answer

Sporadic variation