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

Chi-Square Test

Answer

Two-Sample t-Test

Answer

Paired t-Test

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

2 factors each at 3 levels

Answer

3 factors each at 3 levels

Answer

8 factors each at 2 levels

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

To calculate process capability

Answer

To identify root causes of defects

Answer

To establish control limits

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

The process is both capable and centered

Answer

The process is neither capable nor centered

Answer

The process is centered but not capable

Question 5

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

Accepted Answer

Overproduction

Answer

Over-processing

Answer

Obsolescence

Answer

Outsourcing

Question 6

What is the minimum sample size rule of thumb for establishing a reliable process capability study?

Accepted Answer

At least 50 data points

Answer

At least 30 data points

Answer

At least 10 data points

Answer

At least 100 data points