Exam: Certified Lean Six Sigma Black Belt

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Showing 1-20 of 227 Questions   (Page 1 out of 12)

Question No : 1 - Topic 1

A quality engineer employed by a hospital is asked to improve the process of medication
storage in locked cabinets near patient doors. One defect that occurs rarely is that the
medication caddy is left out when the cabinet is relocked. The engineer installs a gravity
activated arm that will not permit the door to close when the caddy isnt inside. This
improvement is best described by which approach to problem solving?

A. 5S
B. Poka yoke
C. Kaizen
E. Re-engineering

Question No : 2 - Topic 1

If the probability that an event will occur is 0.83, then the probability that the event will not
occur is:

A. 0.17
B. 0.07
C. 0.6889
D. 1.20
E. 83%

Question No : 3 - Topic 1

Find Cp and Cpk.

A. 1.21 and .85
B. .85 and 1.21
C. .35 and .63
D. .63 and .42
E. none of the above

Question No : 4 - Topic 1

George is an employee of Black, Inc. John is Georges internal customer. Which statement
is true?

A. John is employed by Black, Inc.
B. John is employed by another company that supplies material to Black, Inc.
C. John is employed by a company that purchases material from black, Inc.
D. John is employed by another company that has a fiduciary agreement with Black, Inc.
E. John is employed by another company as an internal auditor.

Question No : 5 - Topic 1

GAQM CLSSBB question 5
This experimental design is an example of:

A. full factorial
B. half fractional factorial
C. fractional factorial
D. ANOVA design

Question No : 6 - Topic 1

= 0.05 In problem 1, do the data indicate that the population for machine A has a larger
standard deviation?

A. yes
B. no

Question No : 7 - Topic 1

The team in the above problem draws arrows from Post-It notes that are causes to notes
that are the effects of these causes. This step is best described by which approach to
problem solving?

A. Affinity diagram
B. Inter-relationship digraph
C. Tree diagram
D. Process decision program chart
E. Matrix diagram
F. Prioritization matrix
G. Activity network diagram

Question No : 8 - Topic 1

A team has been asked to reduce the cycle time for a process. The team decides to collect
baseline data. It will do this by:

A. seeking ideas for improvement from all stakeholders
B. researching cycle times for similar processes within the organization
C. obtaining accurate cycle times for the process as it currently runs
D. benchmarking similar processes outside the organization

Question No : 9 - Topic 1

The preferred method for determining statistically whether factor A or B is significant
requires what additional information?
GAQM CLSSBB question 9

A. value of noise factors
B. values of responses in replicate runs
C. number of repetitions
D. ambient conditions during the experiment
E. blocking pattern

Question No : 10 - Topic 1

The operators of a manufacturing cell work out a more orderly arrangement for tool storage
and establish a schedule to maintain cleanliness on a daily basis. These improvements are
best described by which approach to problem solving?

A. 5S
B. Poka yoke
C. Kaizen
E. Re-engineering

Question No : 11 - Topic 1

The support for an important quality initiative was lacking in congress until Reagans
Secretary of Commerce was killed in a horseback riding accident in 1987. That initiative

A. assigning National Institute for Standards and Technology (NIST) quality oversight duties
C. changing National Bureau of Standards to NIST.
D. authorizing the American National Standards Institute (ANSI) to join with the International Standards Organization (ISO) to promulgate standards.
E. none of the above.

Question No : 12 - Topic 1

A team wants a technique for obtaining a large number of possible reasons for excess
variation in a dimension. 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

Question No : 13 - Topic 1

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.
GAQM CLSSBB question 13

A. yes
B. no

Question No : 14 - Topic 1

Find the value of (8) in the ANOVA table. Assume:
GAQM CLSSBB question 14

A. 16.4
B. 3.2
C. 18.6
D. 23.2
E. 4.54
F. 12.2
G. 0.525
H. 2.82
I. 1.48
J. 35.4 K. 0.10<P<1 L. 0.05<P<0.10 M. 0.01<P<0.05 N. 0.005<P<0.01 O. 0<P<0.005

Question No : 15 - Topic 1

This table displays the inventory of fasteners in a storage cabinet. A bolt is selected at
random from the fastener cabinet. Find the approximate probability it is size 7/8.
GAQM CLSSBB question 15

A. 11
B. .08
C. .09
D. .30
E. none of the above

Question No : 16 - Topic 1

The term “expected value” is closest to the term:

A. median
B. probabilistic model
C. mean
D. Markov value
E. regressive value

Question No : 17 - Topic 1

SCENARIO A Six Sigma team is measuring the moisture content of corn starch as it leaves
the conveyer belt of a dryer. They collect one sample four cups of starch at times indicated
in the chart at fixed locations labeled A, B, C, and D across the end of the belt. See the
diagram below.
GAQM CLSSBB question 17
The data for a nine hour period are:
GAQM CLSSBB question 17
GAQM CLSSBB question 17
Which type of variation dominates? (Hint: Plot the points on the graph above.)

A. within sample
B. sample to sample within the hour
C. hour to hour
D. none of the above

Question No : 18 - Topic 1

Perform a risk analysis to determine the expected profit or (loss) from a project which has
four possible disjoint outcomes: Outcome A shows a profit of $340,000 and has a
probability of 0.25 Outcome B shows a profit of $120,000 and has a probability of 0.40
Outcome C shows a loss of $40,000 and has a probability of 0.10 Outcome D shows a
profit of $100,000 and has a probability of 0.25

A. $130,000
B. $520,000
C. $154,000
D. ($168,000)
E. none of the above

Question No : 19 - Topic 1

The principle disadvantage of fractional factorial experiments is that:

A. experimental error is high
B. robustness is compromised
C. effects are confounded
D. measurements are less precise
E. analysis is more difficult

Question No : 20 - Topic 1

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

Showing 1-20 of 227 Questions   (Page 1 out of 12)

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