# GAQM clssbb-001 practice test

## Certified Lean Six Sigma Black Belt (CLSSBB) Exam

##### Question 1

Which of these graphical presentations displays the values of each individual reading?

• A. Histogram
• B. Box Plot
• C. Stem and Leaf Plot
• D. X-Y Diagram

C

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##### Question 2

The _____________ Distribution would be the most desirable for modeling the number of stitch
defects in a portion of fabric.

• A. Exponential
• B. Extended
• C. Poisson
• D. Weibull

C

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##### Question 3

Use this data to calculate the Z score. Average oF. 65, Standard Deviation: 3, Upper Spec Limit:

• A. 0.27
• B. 1.5
• C. 2.33
• D. 4.12

C

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##### Question 4

Which of these is not a primary cause for Non-normal Data?

• A. Skewness
• B. Mixed Distributions
• C. Kurtosis
• D. Formulosis
• E. Granularity

D

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##### Question 5

A natural logarithmic base is not required for which of these distributions for probability
calculations?

• A. Weibull
• B. Normal
• C. Poisson
• D. Binomial

D

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##### Question 6

The _______ is the most frequently occurring value in a distribution of data.

• A. Median
• B. Mean
• C. Mode
• D. Center Point

C

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##### Question 7

A fundamental rule is that both Standard Deviation and Variance can be added.

• A. True
• B. False

B

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##### Question 8

Production Line 1 is able to complete 500 units per shift. Production Line 2 is able to finish 1,500
units per shift. Production Line 2 is 3 times faster than Production Line 1. This analysis is an example
of ______________ Scale Data.

• A. Nominal
• B. Ratio
• C. Ordinal
• D. Interval

B

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##### Question 9

A Personal Trainer was assessing her workout class participants for their body fat content and had to
include data for her analysis. One of the columns listed the range of weight of the people included in
the studies. This required plotting a Histogram of the weight of the people assessed for their body fat
content. While drawing the Histogram the x-axis contained a certain scale of data. Pick the scale of
data that is appropriate for Histograms.

• A. Ordinal Scale Data
• B. Ration Scale Data
• C. Nominal Scale Data
• D. Interval Scale Data

D

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##### Question 10

Data that can be measured on a continuum and has meaningful decimal subdivisions are
__________ data.

• A. Continuous
• B. Surplus
• C. Discrete
• D. Variable