Lean Six Sigma Black Belt Certification FREE Lean Six Sigma Black Belt Certification Trivia Questions and Answers 2

Question 1

Which statistical test is most appropriate for comparing the means of three or more groups in a Lean Six Sigma project?

Accepted Answer

ANOVA

Answer

ANOVA (Analysis of Variance) is specifically designed to compare means across three or more groups simultaneously.

Question 2

In a Design of Experiments (DOE), what does a 2^3 full factorial design represent?

Accepted Answer

3 factors each at 2 levels

Answer

A 2^3 full factorial design means 3 factors, each tested at 2 levels, resulting in 8 experimental runs.

Question 3

What is the primary purpose of a SIPOC diagram in the Define phase?

Accepted Answer

To provide a high-level overview of the process

Answer

A SIPOC diagram maps Suppliers, Inputs, Process, Outputs, and Customers to give a high-level process overview.

Question 4

A process has a Cp of 1.5 and a Cpk of 0.8. What does this indicate?

Accepted Answer

The process is capable but not centered

Answer

A high Cp with a lower Cpk indicates the process spread fits within specifications but the mean is shifted off-center.

Question 5

Which Lean waste does the acronym 'TIMWOODS' use the second 'O' to represent?

Accepted Answer

Overproduction

Answer

In TIMWOODS, the two O's stand for Overproduction and Over-processing, representing two distinct types of waste.

Lean Six Sigma Black Belt Certification Practice Test