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CLSSGB Sample Questions Answers

Questions 4

The very best way to begin an effort to map a process is to do which of these?

Options:

A.

Interview the process owner

B.

Interview the manager of the department

C.

Walk the actual process from beginning to end

D.

Take pictures of the factory floor at each shift

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Questions 5

The 80:20 rule is associated with which of these tools?

Options:

A.

Pareto Chart

B.

Simon's Cross-Functional Tool

C.

SIPOC

D.

Framing Tool

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Questions 6

Training cost $6,500 and a project required an initial investment of $47,500. If the project yields monthly savings of $3,500 beginning after 4 months, what is the payback period in months, before money costs and taxes?

Options:

A.

9.7

B.

15.4

C.

19.4

D.

23.7

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Questions 7

The ____________ is important because it provides an estimate of the probability of an event occurring depending on the Standard Deviation from the Mean.

Options:

A.

Shewhart Principle

B.

Pareto Rule

C.

Mean/Mode Spread

D.

Empirical Rule

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Questions 8

The generation of a Regression Equation is justified when we _____________. (Note: There are 4 correct answers).

Options:

A.

Expect the relationship to be Linear between the output and inputs

B.

Know that there is a non-linear relationship between output and input(s)

C.

Need to understand how to control a process output by controlling the input(s)

D.

Experience several process defects and have no other way to fix hem

E.

When it is very expensive or too late to measure the output

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Questions 9

Which element of waste best describes the cost of a resource being in the queue?

Options:

A.

Waiting

B.

Motion

C.

Inventory

D.

Correction

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Questions 10

A periodic time frame can be used to arrange for Control Limit and Center Line calculations with good SPC implementation in a process.

Options:

A.

True

B.

False

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Questions 11

Which statement(s) are correct for the Regression Analysis shown here? (Note: There are 2 correct answers).

Options:

A.

This Regression is an example of a Multiple Linear Regression.

B.

This Regression is an example of Cubic Regression.

C.

%Cu explains the majority of the process variance in heat flux.

D.

Thickness explains over 80% of the process variance in heat flux.

E.

The number of Residuals in this Regression Analysis is 26.

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Questions 12

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

Options:

A.

Waste, variability

B.

Inventory, defects

C.

Waste, cost

D.

Movement, variation

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Questions 13

The deviation of the measured value from the actual value regardless of the operator is known as ______________.

Options:

A.

Linearity

B.

Bias

C.

Repeatability

D.

Movement

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Questions 14

If the data displayed in a Histogram displays two peaks the distribution would likely be _____________.

Options:

A.

Transformed

B.

Multi-skewed

C.

Bi-attribute

D.

Bimodal

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Questions 15

Typically a person who is trained to the skill level of a Black Belt is nearly 80% dedicated to applying Lean Six Sigma methodologies towards process solutions.

Options:

A.

True

B.

False

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Questions 16

The deviation of the measured value from the actual value is known as _____________.

Options:

A.

Bias

B.

Linearity

C.

Repeatability

D.

Movement

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Questions 17

In order to standardize project savings financial calculation such project benefits can be compared the financial savings are typically calculated over what period of time?

Options:

A.

12 months

B.

24 months

C.

The remainder of the calendar year

D.

The remainder of the fiscal year

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Questions 18

When looking at a distribution graph, the Mean is defined as the __________.

Options:

A.

Average based on the sample size

B.

Aggression measured

C.

Total sample size

D.

Measurement based off a quarter of the sample size

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Questions 19

Customers make a purchase decision based on a number of factors. In Lean Six Sigma we refer to these decision points as CTQ’s or as ____________________.

Options:

A.

Critical-to-quality

B.

Conscious thought qualities

C.

Conspicuous time quandaries

D.

Cost of the quantity

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Questions 20

Lean had its origins in the development and practice of the ___________ Production System.

Options:

A.

Honda

B.

Toyota

C.

Ford

D.

Motorola

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Questions 21

What is the Cycle Time, in minutes, for a process having a Throughput of 360 units per hour?

Options:

A.

0.167

B.

0.333

C.

0.667

D.

1.333

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Questions 22

Significant variation in process performance is a consequence of several causes that can be classified using terminologies shown here. (Note: There are 2 correct answers).

Options:

A.

Common

B.

Random

C.

Uneducated

D.

Special

E.

Vital

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Questions 23

Kanbans work best with pull systems for determining the timing of which products or services are produced.

Options:

A.

True

B.

False

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Questions 24

Process Capability is a function of which of these?

Options:

A.

Customer requirements

B.

Process performance

C.

Output over time

D.

All of these answers are correct

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Questions 25

The use of station warning lights, tool boards and jidohka devices in the application of Lean accomplish which of these principles?

Options:

A.

Pilferage Minimization

B.

Visual Factory

C.

Management Awareness

D.

Operator Attentiveness

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Questions 26

According to a manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work when they use their personal vehicles for their office commute while management set a policy of not more than 40 minutes for their daily one-way commute. A survey conducted one day on 70 employees showed an average of 34 minutes commuting time using the metro public transportation system with a Standard Deviation of 21 minutes. For the employees choosing to increase their chances to come on time using personal transportation their variation should be reduced to ___________?

Options:

A.

1 minute

B.

6 minutes

C.

3.5 minutes

D.

Eliminate it to 0.0 minutes

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Questions 27

The following Business Case is constructed properly.

“In business unit A there are too many flashlight returns and flashlight sales have decreased by 25 percent.”

Options:

A.

True

B.

False

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Questions 28

Unequal Variances can be the result of differing types of distributions.

Options:

A.

True

B.

False

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Questions 29

When two Inputs have an impact on the Output together yet seem to have no or little impact on their own this is called a/an ________________.

Options:

A.

Interaction

B.

Oddity

C.

Coincidence

D.

Impossibility

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Questions 30

Customers make a purchase decision based on a number of factors. In Lean Six Sigma we refer to these decision points as CTQ’s which stands for __________.

Options:

A.

Cost of the quantity

B.

Conscious thought qualities

C.

Conspicuous time quandaries

D.

Critical-to-quality

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Questions 31

Non-parametric testing is done when which of these are applicable? (Note: There are 3 correct answers).

Options:

A.

When the traditional t tests don’t produce the results we need

B.

A Hypothesis Test for the Median of the population is in question

C.

It does not require data to come from Normally Distributed populations

D.

They look at the Median rather than the Mean of populations

E.

When there are no parameters to measure in the process

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Questions 32

Non-parametric testing is done when which of these are applicable? (Note: There are 3 correct answers).

Options:

A.

When the traditional t tests don’t produce the results we need

B.

A Hypothesis Test for the Median of the population is in question

C.

It does not require data to come from Normally Distributed populations

D.

They look at the Median rather than the Mean of populations

E.

When there are no parameters to measure in the process

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Questions 33

One of the metrics commonly used in Lean Six Sigma is DPU. This acronym stands for ___________________.

Options:

A.

Deferred planned usage

B.

Defects per unit

C.

Decreased production utilization

D.

Downtime per unit

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Questions 34

Long-term Data represents all the variation that one can expect within the subject process.

Options:

A.

True

B.

False

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Questions 35

Those who are trained to the skill levels of a Black Belt are typically utilized to apply Lean Six Sigma methodologies what percentage of their time?

Options:

A.

25%

B.

50%

C.

75%

D.

100%

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Questions 36

Conducting a viable Capability Analysis using Attribute Data one must obtain a fairly large sample set to be statistically sound.

Options:

A.

True

B.

False

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Questions 37

Which of these statements describe an undesirable situation when implementing SPC? (Note: There are 2 correct answers).

Options:

A.

The lower Control Limit for the R chart is equal to zero

B.

The Control Limits are wider than the customer specification limits

C.

A process is in Statistical Control before implementation of SPC

D.

Attempt to use SPC for tracking transaction times at a warehouse

E.

Indication of the specification limits on the Control Chart

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Questions 38

Which statement(s) are true about the Fitted Line Plot shown here? (Note: There are 2 correct answers).

Options:

A.

When Reactant increases, the Energy Consumed increases.

B.

The slope of the equation is a positive 130.5.

C.

The predicted output Y is close to -18 when the Reactant level is set to 6.

D.

Over 85 % of the variation of the Energy Consumed is explained by the Reactant via this Linear Regression.

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Questions 39

When looking at a distribution graph, the Mean is defined as the __________.

Options:

A.

Average based on the sample size

B.

Aggression measured

C.

Total sample size

D.

Measurement based off a quarter of the sample size

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Questions 40

When it comes to Control one of the most effective means of eliminating defects is to _________________ .

Options:

A.

Train personnel often and thoroughly

B.

Keep a Six Sigma project going on the process at all times

C.

Design defect prevention into the product

D.

Have each process consist of no more than five steps

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Questions 41

Cost of Poor Quality (COPQ) can be classified as Tangible (Visible) Costs and Hidden Costs.

Options:

A.

True

B.

False

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Questions 42

According to the definition of Rolled Throughput Yield which of the following items best describe the purpose of RTY?

Options:

A.

A function of Y=f(x)

B.

Determines incremental Growth

C.

Isolates the increase throughput

D.

Accounts for rejects and reworks

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Questions 43

The proper functioning of a Visual Factory is dependent upon which of these?

Options:

A.

Technically skilled workers

B.

Work space with active 5S

C.

Availability of visual tools

D.

Breakthrough projects

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Questions 44

The Central Limit Theorem helps us understand the ___________ we are taking and is the basis for using sampling to estimate population parameters.

Options:

A.

Analysis

B.

Kurtosis

C.

Risk

D.

Route

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Questions 45

The use of Kanbans work best with pull systems for determining the timing of which products or services are produced.

Options:

A.

True

B.

False

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Questions 46

A periodic time frame can be used to arrange for Control Limit and Center Line calculations with good SPC implementation in a process.

Options:

A.

True

B.

False

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Questions 47

Examples of a Visual Factory include which of these? (Note: There are 2 correct answers).

Options:

A.

White outlines on floor for proper inventory placement

B.

Documented procedures with a numerical outline

C.

Bad/Good indications of gauge readings with red and green outlines

D.

Implementing a defect inspection device

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Questions 48

Fractional Factorial designs for an experimental approach are used when ____________ about the multiple metric interaction in a process.

Options:

A.

Much is known

B.

Little is known

C.

We don’t care

D.

Data exists

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Questions 49

Fractional Factorial designs for an experimental approach are used when ____________ about the multiple metric interaction in a process.

Options:

A.

Much is known

B.

Little is known

C.

We don’t care

D.

Data exists

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Questions 50

A Belt experienced an Alpha of .05 and a Beta of .10 and knew these are the most common risk levels when running a Statistical test.

Options:

A.

True

B.

False

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Questions 51

The term FMEA is an abbreviation for Failures Measure Effective Automation.

Options:

A.

True

B.

False

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Questions 52

A Belt gathered the following defect data for a shoe production line and wanted to assemble it into a Pareto Chart. The correct order from left to right in the chart would be:

Data:

Cutting38

Forming17

Stitching56

Sealing42

Options:

A.

Forming, Sealing, Cutting, Stitching

B.

Sealing, Stitching, Forming, Cutting

C.

Stitching, Sealing, Cutting, Forming

D.

Forming, Cutting, Sealing, Stitching

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Questions 53

The reason(s) for not marking the customer Specification Limits (SL) on a Control Chart is which of these? (Note: There are 4 correct answers).

Options:

A.

Process control teams should not control a process based on SLs

B.

Displaying the SLs on a Control Chart sends a wrong signal toward process control

C.

Marking the SLs on a Control Chart is against the principle of charting

D.

By marking the SLs, one can confuse the operator as to what limits are critical

E.

By using mere Control Limits the process only needs to be in Statistical Control

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Questions 54

Standardized work instructions apply to which resource in the process of interest?

Options:

A.

People

B.

Machines

C.

Supervision

D.

Engineering

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Questions 55

In the late 1980’s William Smith coined the name Six Sigma for a methodology that had its origins at __________________ for quality related work being done there.

Options:

A.

Honeywell

B.

Allied Signal

C.

General Electric

D.

Motorola

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Questions 56

Which statement(s) are correct for the Regression Analysis shown here? (Note: There are 2 correct answers).

Options:

A.

This Regression is an example of a Multiple Linear Regression.

B.

This Regression is an example of Cubic Regression.

C.

%Cu explains the majority of the process variance in heat flux.

D.

Thickness explains over 80% of the process variance in heat flux.

E.

The number of Residuals in this Regression Analysis is 26.

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Questions 57

Contingency Tables are used to perform which of these functions?

Options:

A.

Illustrate one-tail proportions

B.

Analyze the "what if" scenario

C.

Contrast the Outliers under the tail

D.

Compare more than two sample proportions with each other

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Questions 58

The practice of utilizing Poka-Yoke is also known as ________________.

Options:

A.

Thorough integration

B.

Mistake proofing

C.

On site inspection

D.

Lean controls

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Questions 59

The Central Limit Theorem helps us understand the ___________ we are taking and is the basis for using sampling to estimate population parameters.

Options:

A.

Analysis

B.

Kurtosis

C.

Risk

D.

Route

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Questions 60

The X-Y Diagram is a tool used to identify/collate potential X's and assess their relative impact on multiple Y's.

Options:

A.

True

B.

False

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Exam Code: CLSSGB
Exam Name: Certified Lean Six Sigma Green Belt (CLSSGB)
Last Update: Oct 7, 2024
Questions: 200
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