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GAQM CLSSBB - Certified Lean Six Sigma Black Belt (CLSSBB)

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Total 357 questions

Critical to Quality parameters are derived from?

A.

Voice of Customer

B.

Measure of central tendency

C.

Data dispersion diagrams

D.

Regression analysis

A principle disadvantage of fractional factorial experimental designs is:

A.

reduced cost

B.

improved accuracy

C.

confounding of effects

D.

higher confidence level

E.

reduced probability of type II errors

The word takt is closest to the theory of constraints word:

A.

drum

B.

buffer

C.

rope

D.

constraint

Which of the following tools should be used when a team is generating and prioritizing a list of options that include highly controversial issues?

A.

Brainstorming

B.

Affinity diagrams

C.

Nominal group technique

D.

5 whys

According to Juran, when a major quality improvement project is launched, which of the following describes the desired change in performance level?

A.

Six sigma

B.

Continuous

C.

Breakthrough

D.

Sporadic

To assess the significance of factors in either a fractional- or a full-factorial experiment structure, a black belt can use

A.

analysis of variance (ANOVA)

B.

fault tree analysis (FTA)

C.

failure mode and effects analysis (FMEA)

D.

evolutionary operation (EVOP)

Which of the following techniques is NOT effective when a team leader is giving feedback to the team?

A.

Describing the behavior in context

B.

Describing the reasons for giving feedback

C.

Giving feedback when it is convenient

D.

Providing actionable guidance

An x-bar control chart has been established with control limits of 3.245 and 3.257, n = 5. An engineer collects the following sample and plots the average on the control chart: 3.257, 3,256, 3. 258, 3.259.

A.

the process is out of control

B.

the process is not out of control

C.

the engineer misused the control chart

D.

the control limits are incorrect

This QFD matrix was used in the design process for a ball point pen. What symbol is appropriate for the square labeled 3?

A.

B.

C.

D.

none of the above

A process produces nonconformities according to a Poisson distribution. If the mean of the nonconformities is 25, what is the standard deviation?

A.

2.5

B.

5.0

C.

12.5

D.

25.0