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

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Total 357 questions

A team wants a technique for improving consistency of assembly operations. They should use:

A.

written and diagrammed work instructions

B.

flow charts and process maps

C.

cause and effect diagrams

D.

Pareto chart

E.

relationship matrix

Customer requirement #3 has a ______________ relationship with technical feature #3.

A.

strong

B.

moderate

C.

weak

A ____ from a sample is used to estimate a population _____. The two words that best fill these blanks are:

A.

item, value

B.

value, statistic

C.

statistic, parameter

D.

parameter, value

E.

parameter, statistic

Find the value of (6) in the ANOVA table. Assume:

A.

16.4

B.

3.2

C.

18.6

D.

23.2

E.

4.54

F.

12.2

G.

0.525

This experimental design is an example of:

A.

full factorial

B.

half fractional factorial

C.

fractional factorial

D.

ANOVA design

If the probability that event A occurs is 0.51, the probability that event B occurs is 0.64 and events A and B are statistically independent then:

A.

A and B are mutually exclusive

B.

the probability that both A and B occur is 0.3264

C.

A and B can’t both occur

D.

the probability that A occurs is 1-(probability that B occurs)

E.

A and B have different standard deviations

Customer segmentation refers to:

A.

dividing a particular customer into parts that are more easily understood

B.

grouping customers by one or more criteria

C.

maintaining secure customer listings to minimize communication among them

D.

eliminating or “cutting off” customers with poor credit history

After a team has engaged in diversion activities they may need to employ a tool for conversion. Examples of such a tool are:

I. nominal group technique

II. Multivoting

III. cause and effect diagram

IV. activity network diagram

V. matrix diagrams

A.

III and IV

B.

IV and V

C.

II and III

D.

I and II

A project that lacks a clear definition of its scope and boundaries runs the risk of:

A.

straying from the intended path

B.

trying to solve unrelated problems

C.

having difficulty in collecting baseline data

D.

suffering morale problems

E.

all the above

F.

none of the above

An engineer wants to try two hardening ovens to see whether they have different hardness scores. She cuts 8 pieces of bar stock in half, putting half of each in oven A and the other half in oven B. The following data are collected:

Do the data indicate that the ovens have different average scores? Assume differences are normally distributed.

A.

yes

B.

no