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Certified Lean Six Sigma Black Belt (CLSSBB)

Last Update 3 hours ago Total Questions : 357

The Certified Lean Six Sigma Black Belt (CLSSBB) content is now fully updated, with all current exam questions added 3 hours ago. Deciding to include CLSSBB practice exam questions in your study plan goes far beyond basic test preparation.

You'll find that our CLSSBB exam questions frequently feature detailed scenarios and practical problem-solving exercises that directly mirror industry challenges. Engaging with these CLSSBB sample sets allows you to effectively manage your time and pace yourself, giving you the ability to finish any Certified Lean Six Sigma Black Belt (CLSSBB) practice test comfortably within the allotted time.

Question # 91

For a process, X= 35.0 and σ = 5.00. If the subgroup size is n = 5, what is the value for the upper control limit for the process?

A.

37.24

B.

37.89

C.

41.71

D.

52.50

Question # 92

In comparison to a full-factorial design of experiment (DOE), a traditional, one-at-a-time approach will

A.

miss interactions

B.

gain efficiencies

C.

save time

D.

cost less

Question # 93

If it is desirable to maximize the response R, the following levels should be used:

A.

A+ and B+

B.

A+ and B–

C.

A– and B+

D.

A– and B–

E.

none of the above

Question # 94

A set of data from a process has 8 readings per sample and 50 samples. The mean of the 50 sample means is 12.62. The mean of the 50 ranges is 0.18. Find the control limits for the xbar chart.

A.

12.55 and 12.69

B.

12.11 and 13.13

C.

12.54 and 12.70

D.

none of the above

Question # 95

Which of the following is a component of a visual factory?

A.

Product specifications

B.

Zero defect policies

C.

Just-in-time policies

D.

Equipment service manuals

Question # 96

The mean, median and mode of a distribution have the same value. What can be said about the distribution?

A.

it is exponential

B.

it is normal

C.

it is uniform

D.

none of the above

Question # 97

An x-bar and R chart has four part measurements per sample. The control limits on the averages chart are 2.996 and 3.256. Assume the process data form a normal distribution. What is the probability that the next plotted point falls outside the control limits?

A.

0.00135

B.

0.0027

C.

0.0054

D.

none of the above

Question # 98

Dr. W. Edwards Deming:

A.

lectured in Japan after World War II

B.

was an author of several books in the US

C.

lectured widely in the US

D.

is considered an expert in the quality field

E.

all of the above

F.

none of the above

Question # 99

Data are collected in xy pairs and a scatter diagram shows the points are grouped very close to a straight line that tips down on its right hand end. A reasonable value for the coefficient of correlation is:

A.

.8

B.

0

C.

–.9

D.

1

E.

1.3

F.

–1.8

Question # 100

Lean removes many forms of ______________ so that Six Sigma can focus on reducing _______________.

A.

Movement, variation

B.

Waste, cost

C.

Inventory, defects

D.

Waste, variability

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