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CSSBB Exam Dumps - Six Sigma Black Belt Certification

Question # 4

When a Belt decides to use written procedures and visual controls to improve the consistency of the tasks that must occur in the process he is improving he has utilized the _________________ activity of 5S.

A.

Sustaining

B.

Sorting

C.

Standardizing

D.

Straightening

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Question # 5

Accuracy can be assessed in several ways and a fairly accurate means of measurement is visual comparison.

A.

True

B.

False

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Question # 6

Which Experimental Design typically is most associated with the fewest number of input variables or factors in the design?

A.

Response Surface design

B.

Full Factorial design

C.

Simple Linear Regression

D.

Fractional Factorial design

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Question # 7

If a Six Sigma project was to reduce changeover times and the team found the project success was decreasing over time since changeover times began to creep back up, which Lean tools should be considered in the Control Phase to reestablish and sustain the project success?

A.

Improve the lighting to assure adequate visibility

B.

Confirm a Visual Factory exists to assure proper communication of status of machines

C.

Implement Kanbans to assure enough inventory for the process step

D.

Reword the standardized work instructions to use active verbs and not passive phrases

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Question # 8

What conclusion is most correct about the Experimental Design shown here with the response in the far right column?

A.

No factor has enough statistical confidence greater than 95% to have an impact on the response rate

B.

Constant, Adv and Bev are the only factors statistically affecting the response rate with 95% confidence or more

C.

If the Adv is increased from the low level to the high level, the response rate increases

D.

The response level is statistically concluded to only need the Adv and Bev factors set at the low level to get the largest response rate

E.

This design does not have enough experimental runs to conclude anything as evidenced by the lack of P-values in the MINITABTM output

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Question # 9

The Mann-Whitney test is a powerful test and is unique to situations from which of the choices listed? (Note: There are 2 correct answers).

A.

Testing the identity of two populations

B.

Focuses on equality of the Median of the two populations

C.

Less powerful than the traditional “t-test”

D.

More widely applicable than the traditional “t-test”

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Question # 10

Special Cause Variation falls into which two categories? (Note: There are 2 correct answers).

A.

Natural

B.

Short term

C.

Assignable

D.

Pattern

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Question # 11

Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 pots per day if the outside temperature exceeds 60o F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. For the sales accomplished above, what test would validate if they met their requirements?

A.

F Test

B.

Test for Equal Variance

C.

Chi Square Test

D.

One-Sample t-Test

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Question # 12

With Measurement System Analysis we are concerned with two issues that impact the potential variability of the data. They are ____________ and Accuracy.

A.

Spread

B.

Reliability

C.

Precision

D.

Deflection

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Question # 13

A dock worker for a feed supplier was tasked with assuring the proper weight in the feed bags as they left the dock. One of the columns listed the range of weight of the bags included in the studies. This required plotting a Histogram of the weight of the bags. 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.

Interval Scale Data

C.

Nominal Scale Data

D.

Ration Scale Data

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Question # 14

A Belt rearranged the location of the parts inventory for a rework station locating the most often used parts to be within hand reach of the repair person. This rearrangement resulted in quicker repair times by eliminating one of seven major elements of waste which is the Waste of __________.

A.

Motion

B.

Conveyance

C.

Inventory

D.

Waiting

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Question # 15

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 _________.

A.

NP Chart

B.

Individuals Chart

C.

R Chart

D.

C Chart

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Question # 16

Appropriate measures means that measurements are ______________.

A.

Representative

B.

Sufficient

C.

Contextual

D.

Relevant

E.

All of these answers are correct

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Question # 17

An example of the waste of mismanaged Inventory is __________.

A.

Capital costs of money

B.

Value decrease from aged inventory

C.

Cost of storage space

D.

All of these answers are correct

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Question # 18

The calculation of Column Total times Row Total divided by Grand Total yields expected values from what type of chart?

A.

Pareto Chart

B.

Sakami Table

C.

Contingency Table

D.

None

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Question # 19

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

A.

Weibull

B.

Normal

C.

Poisson

D.

Binomial

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Question # 20

The English words used for the 5S’s are Sorting, Straightening, _____________ , __________ and Sustaining. (Note: There are 2 correct answers).

A.

Shaping

B.

Shining

C.

Standardizing

D.

Signing

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Question # 21

The Greek letter “sigma” is used by mathematicians to signify _____________.

A.

Curve Width

B.

Numerical Average

C.

Standard Deviation

D.

Data Spread

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Question # 22

When variation is removed from the output of a process then the process customer can have more confidence in the experience that results from the process.

A.

True

B.

False

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Question # 23

Relative to a Design of Experiments the term ________________ refers to variables being a linear combination of each other.

A.

Mirror Image

B.

Directly Parallel

C.

Collinear

D.

None of the above

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Question # 24

Kaizens or Kaikakus and Six Sigma projects are intended to create incremental process improvements versus breakthrough, significant improvements.

A.

True

B.

False

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Question # 25

A ___________ problem in the Measurement System suggests that there is a lack of consistency in the measurement over time.

A.

Linearity

B.

Bias

C.

Stability

D.

Magnitude

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Question # 26

A Full Factorial experiment using a 3 level 3 factor approach has been proposed to test the viability of an extrusion machine experiment. How many treatment combinations will this approach involve?

A.

6

B.

9

C.

27

D.

54

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Question # 27

Which of these elements are not included in Implementation plans?

A.

Work breakdown structure

B.

Cost/Benefit ratios

C.

Risk management plans

D.

Planned audits of work completion

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Question # 28

Which statement(s) are correct about the DOE Factorial plot output here? (Note: There are 3 correct answers).

A.

Two factors were operated at 3 levels each

B.

The highest tool age was achieved with metal hardness at high level while keeping the cutting speed at the low level

C.

The design indicated above is a 32 factorial design

D.

The cutting speed and cutting angle are at the low level for the least tool age achieved

E.

All factors had 2 levels in the experiment

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Question # 29

“A calculated time frame that matches customer demand” is a definition of what Lean Principles term?

A.

Value Stream

B.

Kaizen event

C.

Takt time

D.

Kanban

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Question # 30

Customers make their decisions based on Features, Integrity (of the seller) Delivery and ___________?

A.

Color

B.

Expense

C.

Season

D.

None

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Question # 31

Control Charts were developed by Dr. Shewhart to track data over time. To detect Special Cause variation the Control Charts use which of these?

A.

Data shift analysis

B.

Outlier analysis methods

C.

Center Line and Control Limits

D.

None of the above

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Question # 32

On a _________________ a Belt screens variables, or various inputs, to analyze their relative impact on the output of concern.

A.

X-Y Matrix

B.

Weighted Scale

C.

Multi-Vari Chart

D.

Poisson Chart

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Question # 33

Using this partial Z Table, how many units from a month’s production run are expected to not satisfy customer requirements for the following process?

Upper specification limit: 7.2 Lower specification limit: 4.3 Mean of the process: 5.9 Standard Deviation: 0.65 Monthly production: 450 units

A.

3

B.

7

C.

10

D.

12

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Question # 34

Common and Special Cause ______________ are the focus of Statistical Process Control.

A.

Prediction

B.

Ideation

C.

Capability

D.

Variation

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Question # 35

To be an effective Lean Six Sigma practitioner one must understand the difference between ___________________________.

A.

ANOVA and the Analysis of Variance

B.

Nonparametric tests and tests of Non-normal Data

C.

F-test and test of variances of 2 samples

D.

Practical and Statistical significance

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Question # 36

Which of these items contribute to what is necessary for successful Kaizen events?

A.

Analysis tools

B.

Management support

C.

Operator support

D.

All of these answers are correct

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Question # 37

Which statement is NOT correct about the Fitted Line Plot shown here?

A.

The independent variable is the reactant

B.

If the reactant was 10 units, with 95% confidence we would expect a minimum yield of 148 units

C.

With at least 95% confidence, we can expect less than 10 units of Yield when the reactant is at a value of 1

D.

A reactant value between 6 and 8 units yields around 40 to 60

E.

When the reactant increases, the expected yield would increase

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Question # 38

If a Belt needed to model the data for the number of weaves in section of carpet fabric she would use the _____________ Distribution approach.

A.

Poisson

B.

Extended

C.

Exponential

D.

Weibull

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Question # 39

Using this partial Z Table, how many units from a month’s production run are expected to not satisfy customer requirements for the following process?

Upper specification limit: 8.4 Lower specification limit: 4.7 Mean of the process: 6.2 Standard Deviation: 2.2 Monthly production: 360 units

A.

8

B.

13

C.

28

D.

57

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Question # 40

Fractional Factorial, ____________and Response Surface Method are types of planned experiments.

A.

Multi-Vari Analysis

B.

Baldridge Channels

C.

One Factor at a Time or OFAT

D.

Factorial Design

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Question # 41

A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt’s effort requiring that the average cost of an internal critical raw material component be less than or equal to $3,800 in order to stay within budget. Using a sample of 38 first article components, a Mean of the new product upgrade price of $3,680, and a Standard Deviation of $120 was estimated. In order to increase the Long Term Z value to 5, what is the maximum long term variation in pricing the Belt can accept for his upgraded critical raw material component?

A.

$6

B.

$12

C.

$24

D.

$48

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Question # 42

The distance between the Mean of a data set and the Point of Inflection on a Normal curve is called the _______________.

A.

Curve Spread

B.

Standard Deviation

C.

Numerical Average

D.

Data Breadth

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Question # 43

Which statement(s) are correct about the Pareto Chart shown here for the DOE analysis? (Note: There are 2 correct answers).

A.

It is unknown from this graph how many factors were in the Experimental Design

B.

The factors to keep in the mathematical model are E, D, DE, BD and B with an alpha risk equal to 2.06

C.

The effects to keep in the mathematical model are E, D, DE, BD and B with an alpha risk equal to 0.05

D.

The factors to keep in the mathematical model with a 5% alpha risk are BE, AB, A and AD

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Question # 44

Review the analysis shown here.

Which statements are true about the process? (Note: There are 3 correct answers).

A.

The initial focus for this project would be to determine why the thicknesses are so frequently too low.

B.

The majority of the process is closer to the lower specification limit.

C.

This process is described with the Weibull Distribution.

D.

The process has more problems with Variation than Centering.

E.

The process follows a non-normal distribution with the given data.

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Question # 45

What aspects of Measurement Systems Analysis (MSA) studies are applicable when the process used to measure does not damage the part?

A.

Destructive variable gage R&R and Crossed Study

B.

Destructive variable gage R&R and Nested Study

C.

Nondestructive variable gage R&R and Crossed Study

D.

Nondestructive variable gage R&R and Nested Study

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