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Free IASSC Certified Lean Six Sigma Black Belt ICBB Exam Questions

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Question 1

Those people who have a interest in the outputs of a process are known as _____________________.

Correct Answer: A. Stakeholders

Question 2

A ___________ problem in the Measurement System suggests that there is a lack of consistency in the measurement over time.

Correct Answer: C. Stability

Question 3

The Japanese born function of a Kaizen event utilizes a specific, step-by-step approach meant to bring about major changes to a process.

Correct Answer: A. True

Question 4

All the data points that represent the total set of information of interest is called the ________________ .

Correct Answer: A. Population

Question 5

For a batch manufacturing process, while assessing short term process variation, which variation category(ies) should one need to focus on? (Note: There are 2 correct answers).

Correct Answer: A. Variation within consecutive pieces; B. Variation among consecutive batches

Question 6

SPC Charts are used extensively in different business and decision-making environments. In this example a vendor is being selected based on speed of delivery. Which of the conclusions would help you pick a vendor for your needs regarding lead-time of delivery from your vendors? (Note: There are 4 correct answers).

Correct Answer: B. Vendor B as it has a better consistency (lower variance) on lead time; C. Vendor B as Vendor A shows a situation out of control as shown in red; D. Vendor B as the Control Limits are much narrower than Vendor A; E. Vendor B with higher lead time, but a process with much narrower Control Limits

Question 7

The English words used for the 5S's are __________ , _____________ , Shining, Standardizing and Sustaining. (Note: There are 2 correct answers).

Correct Answer: B. Sorting; D. Straightening

Question 8

Some of the sources for different types of error that can be quantified using Statistical Analysis are which of these?

Correct Answer: D. All of the above

Question 9

The Lean toolbox includes all of the following items except __________.

Correct Answer: B. Standard Operating Procedures

Question 10

The validity of the decision made with Hypothesis Testing is dependent upon all of these except ___________________.

Correct Answer: C. Range of data

Question 11

Fractional Factorial designs are used to reduce the ____________ because the number of runs has been lowered.

Correct Answer: A. Time and cost of experiments

Question 12

Which Experimental Design typically is most associated with the fewest number of input variables or factors in the design?

Correct Answer: A. Response Surface design

Question 13

A natural logarithmic base is not required for which of these distributions for probability calculations?

Correct Answer: D. Binomial

Question 14

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

Correct Answer: A. True

Question 15

The Japanese born function of a Kanban event utilizes a specific, step-by-step approach meant to bring about major changes to a process.

Correct Answer: B. False