GAQM CLSSBB-001 CLSSBB Exam Practice Test Instant Access

Question 1

If a process has subgroups for Variable data and the process runs for a long period of time, then the best pair of SPC Charts to use would be an Xbar and _________.

ANP Chart

BIndividuals Chart

CR Chart

DC Chart

Answer : C

Question 2

Which statement(s) are incorrect about Fractional Factorial Designs?

AA Half Fractional Design for 5 factors has the same number of experimental runs as a Full
Factorial Design for 4 factors assuming no repeats or replicates or Center Points

BQuarter Fractional experiments can exist for those with 4 factors

CResolution V design is desired while controlling costs of experimentation

DHalf Fractional experiments do not exist for those designs with only 2 factors

Answer : C

Question 3

If in an experiment all possible variable pairs sum to zero the design is Orthogonal.

ATrue

BFalse

Answer : A

Question 4

If the production is for higher volume and monitoring and the Mean and variability is to be monitored for four machines producing product and the characteristic to be monitored is Variable Data, which SPC Chart is best to be selected?

AXbar-R Chart

BIndividual-MR Chart

CNP Chart

DCUSUM Chart

Answer : A

Question 5

Situations where standardized work needs to be incorporated include all of these except _____________________.

AMachines continually operating to reduce the labor cost per piece

BLack of a system to assure proper inventory levels at repair stations

CChangeover instructions incomplete

DProcess flow for the same product assembly taking various cycle time for completion

Answer : A

Question 6

For the data shown here which statement(s) are true? (Note: There are 2 correct answers).

AWith 95% confidence, we cannot conclude if the samples are from three Normal Distributions

BWith greater than 95% confidence, we conclude the samples are from Non-normal Distributions

CIf we wanted to compare the Central Tendencies of these three samples we would use the one way ANOVA test

DIf we wanted to compare the Central Tendencies of these three samples we could use Mood's Median test

EIf we wanted to compare the Central Tendencies of all three samples we could use the Mann-Whitney test

Answer : B, D

Question 7

Which statement(s) are correct about the Factorial Plot shown here? (Note: There are 3 correct answers).

AWhen the cutting speed increased from low to high level, the tool age increases

BThe coefficient of the metal hardness is positively related to the output of tool age

CThe coded coefficient is lower for cutting speed than the cutting angle related to the output of tool age

DThese plots prove a statistically significance factor with 95% confidence

EThese plots are an example of interaction plots

Answer : A, B, C

GAQM CLSSBB-001 Certified Lean Six Sigma Black Belt (CLSSBB) CLSSBB Exam Practice Test