CLSSBB-001 Exam Training Practice Tests (GAQM Certified Lean Six Sigma Black Belt (CLSSBB))]

Question 1

A ___________ is used primarily to track the stability of the average value of a metric of interest.

A. Xbar-R Chart B. C Chart C. I-MR Chart D. NP Chart

Correct Answer: A

Question 2

The class score distribution of schools in a metropolitan area is shown here along with an analysis output. Comment on the statistical significance between the Means of the two distributions. Select the most appropriate statement.

A. A visual comparison shows that class Means are not statistically different B. A visual comparison shows that class Means are statistically different C. Inadequate information on class Means to make any statistical conclusions D. The two class Means statistically not different from each other E. The two class Means are statistically different from each other

Correct Answer: E

Question 3

One of the methods of testing a Measurement System is to have at least two people take multiple readings from the same instrument and of the same sample set to judge the Repeatability and Reproducibly. This approach is called a ______________ study.

A. Gage R & R B. Bimodal C. Dual Attribute D. Correlation Analysis

Correct Answer: A

Question 4

Following the completion of a LSS project the Belt not only creates a Control Plan he also develops a _____________ so those involved in the process know what to do when the critical metrics move out of spec.

A. Call List B. Defect Analysis Plan C. Response Plan D. Chain-of-Command

Correct Answer: C

Question 5

A Non-parametric Test should be used if just one distribution is not Normal out of the two or more gathered.

A. True B. False

Correct Answer: A

Question 6

Time is always the metric on the horizontal scale of a(n) ___________ Chart.

A. Pareto B. Multi-Vari C. Xbar D. NP

Correct Answer: B

Question 7

Which statements are correct about the advanced Capability Analysis shown here? (Note: There are 3 correct answers).

A. The DPU does not seem to vary depending on sample size B. The process shows only one instance of being out of control statistically so we have confidence in the estimated DPU of this process C. This is a Poisson Capability Analysis D. The average DPU with 95% confidence is between 0.024 and 0.0295 E. The maximum DPU in one observation was nearly 0.0753

Correct Answer: A,D,E

Question 8

Questions that can be best answered by a Visual Factory include all of these except _____________________.

A. Are unneeded tools or supplies easily noted? B. Are setups optimized for lower scrap levels? C. Can extra inventory be seen easily? D. Can changeover challenges be recognized?

Correct Answer: B

GAQM Certified Lean Six Sigma Black Belt (CLSSBB) - CLSSBB-001 Exam Practice Test