Precision Quality Assurance and Improvement 3

Question 1

In Six Sigma, what does the term 'Black Belt' refer to?

Accepted Answer

A certified project leader who leads complex improvement projects full-time

Answer

A Six Sigma Black Belt is a highly trained practitioner who leads cross-functional improvement projects using DMAIC methodology.

Question 2

Which lean concept focuses on eliminating steps in a process that do not add value from the customer's perspective?

Accepted Answer

Waste reduction (muda elimination)

Answer

Muda (waste) elimination removes non-value-added activities, reducing cost and lead time while improving quality.

Question 3

A histogram with a bimodal (two-peaked) distribution most likely indicates:

Accepted Answer

Data from two different populations or process settings are mixed together

Answer

A bimodal histogram suggests two distinct data sources, such as output from two different shifts, machines, or operators.

Question 4

What is the role of a management representative in an ISO 9001 quality management system?

Accepted Answer

Ensure the QMS is established, implemented, and maintained and report performance to top management

Answer

The management representative ensures the QMS functions effectively and keeps top management informed about its performance.

Question 5

Which chart would you use to track the proportion of defective items in a sample when sample sizes vary?

Accepted Answer

p-chart

Answer

The p-chart monitors the proportion of nonconforming units and accommodates varying sample sizes.

(Precision) Precision Exams Practice Test