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ASQ CSSBB Six Sigma Black Belt Certification Exam Practice Test

Demo: 45 questions
Total 227 questions

Six Sigma Black Belt Certification Questions and Answers

Question 1

The most appropriate type of FMEA for a product before going into manufacturing is a ___________ FMEA.

Options:

A.

Design

B.

Consumer

C.

Survey

D.

Test Process

Question 2

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

Options:

A.

Curve Spread

B.

Standard Deviation

C.

Numerical Average

D.

Data Breadth

Question 3

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?

Options:

A.

6

B.

9

C.

27

D.

54

Question 4

The Japanese born function of a Kaizen event utilizes a specific, step-by-step approach meant to bring about major changes to a process.

Options:

A.

True

B.

False

Question 5

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

Options:

A.

Fractional Factorial design

B.

Full Factorial design

C.

Simple Linear Regression

D.

Response Surface Design

Question 6

All the data points that represent the total set of information of interest is called the ________________ .

Options:

A.

Population

B.

Sample

C.

Frame

D.

Spread

Question 7

Fractional Factorial designs are used to reduce the ____________ because the number of runs has been lowered.

Options:

A.

Time and cost of experiments

B.

Number of people involved

C.

Number of data measurement points

D.

Output summary

Question 8

A Lean Six Sigma project is attempting to reduce inventory days. The Process Capability will be monitored as part of the Control Phase to track the sustainability of the improvement.

Which distribution type is best used for performing the Capability Analysis?

Options:

A.

Weibull Distribution

B.

Normal Distribution

C.

Exponential Distribution

D.

Logistic Distribution

E.

Gaussian Distribution

Question 9

Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 22 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 18.2 pots per day were sold with a Standard Deviation of 0.9 pots. What is the Z value for this sales process?

Options:

A.

1.23

B.

1.62

C.

2.11

D.

4.22

Question 10

During the ______________ phase of 5S is when we might implement a Red Tag program.

Options:

A.

Straightening

B.

Standardizing

C.

Shining

D.

Sorting

Question 11

A Belt is analyzing data and upon creation of the graphical analysis sees multiple modes. One of the primary reasons this could occur is because the process has experienced a ____________________.

Options:

A.

Significant change from one shift to another

B.

Sizable Measurement System error

C.

Catastrophic failure of some sort

D.

Any one of these

Question 12

Use this data to calculate the Z score. Average oF. 65, Standard Deviation: 3, Upper Spec Limit: 72

Options:

A.

0.27

B.

1.5

C.

2.33

D.

4.12

Question 13

Two of the key deliverables for the Measure Phase are a robust description of the process and its flow and an assessment of the Management System.

Options:

A.

True

B.

False

Question 14

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

Options:

A.

Value Stream

B.

Kaizen event

C.

Takt time

D.

Kanban

Question 15

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

Options:

A.

Precision and Accuracy

B.

Reliability and Repeatability

C.

Error and Spread

D.

Sensitivity and Deflection

Question 16

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

Options:

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

Question 17

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

Options:

A.

Median

B.

Mean

C.

Mode

D.

Center Point

Question 18

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

Options:

A.

Value Stream

B.

Kaizen event

C.

Takt time

D.

Kanban

Question 19

When a Belt creates a Process Map she will use a __________________ to depict a decision point requiring a Yes or No decision.

Options:

A.

Circle

B.

Square

C.

Diamond

D.

Rectangle

Question 20

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

Options:

A.

True

B.

False

Question 21

Which Element of Waste best describes "the unnecessary movement of materials and goods"?

Options:

A.

Overprocessing

B.

Inventory

C.

Motion

D.

Conveyance

Question 22

The reported Cpk for a process with an average of 98 units, a spread of 16 units and upper and lower specification limits of 115 and 90 units would be?

Options:

A.

0.5

B.

0.75

C.

1.00

D.

1.25

Question 23

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 $4,200 in order to stay within budget. Using a sample of 35 first article components, a Mean of the new product upgrade price of $4,060, and a Standard Deviation of $98 was estimated. In order to increase the Long Term Z value to 4, what is the maximum long term variation in pricing the Belt can accept for his upgraded critical raw material component?

Options:

A.

$20

B.

$35

C.

$70

D.

$110

Question 24

When a Belt Poka-Yoke’s a defect out of the process entirely then she should track the activity with a robust SPC system on the characteristic of interest in the defect as an early warning system.

Options:

A.

True

B.

False

Question 25

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

Options:

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

Question 26

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

Options:

A.

True

B.

False

Question 27

Range Charts are the technique used to determine if Special Causes are occurring within the subgroups of the ______________.

Options:

A.

Histograms

B.

SPC Charts

C.

NP Charts

D.

Pareto Charts

Question 28

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

Options:

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

Question 29

An operator is measuring the distance between two points. Which is most likely to be influenced by the operator?

Options:

A.

Precision of the measurement

B.

Accuracy of the measurement

C.

Calibration of the instrument

D.

All of these answers are correct

Question 30

One of the methods of testing a Measurement System is to have at least two people take multiple readings from the same instrument and of the same sample set to judge the Repeatability and Reproducibly. This approach is called a ______________ study.

Options:

A.

Correlation Analysis

B.

Gage R & R

C.

Bimodal

D.

Dual Attribute

Question 31

The method of Steepest Ascent guides you toward a target inside the original inference space.

Options:

A.

True

B.

False

Question 32

When we compare short-term and long-term Capability which of these is true?

Options:

A.

Cp is better for the short term

B.

Both short-term and long-term performance are alike

C.

Performance tends to improve over time

D.

Cp is better for the long-term

Question 33

Of the various types of data shown which is NOT representative of Variable Data.

Options:

A.

Child’s height is 4 foot 3 inches

B.

Three employees wore hard hats

C.

Car burned 2.7 gallons of gasoline

D.

Train was going 140 kilometers per hour

Question 34

One of the foundations of Lean Six Sigma is the concept that the output of a process (Y) is influenced by the process inputs (X’s) and is commonly shown as which formula?

Options:

A.

Y = Z(X2)

B.

Y = f(X3)

C.

Y = f(Xn)

D.

Y = g(X+ 1.5)

Question 35

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

Options:

A.

Curve Width

B.

Numerical Average

C.

Standard Deviation

D.

Data Spread

Question 36

Screening experiments are the proper choice when a Belt is faced with the situation of highly Fractional Factorial Designs.

Options:

A.

True

B.

False

Question 37

An operator checks that all boxes being packed contain enough products to fill the box. However, each box getting filled has a different number of products in it. This is a Reproducibility problem, not a Repeatability problem.

Options:

A.

True

B.

False

Question 38

One of the primary deliverables from performing a SIPOC is to begin to understand which inputs have the greatest affect on the ______________ outputs.

Options:

A.

Management’s desired

B.

Supplier delivered

C.

Process operator

D.

Customer most valued

Question 39

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

Options:

A.

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

B.

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

C.

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

D.

These plots prove a statistically significance factor with 95% confidence

E.

These plots are an example of interaction plots

Question 40

One of the primary deliverables from performing a SIPOC is to begin to understand which outputs have the greatest affect on the customer most valued inputs.

Options:

A.

True

B.

False

Question 41

When one speaks of 20% of something contributing 80% of the affect they are referring to what is known as the _________________.

Options:

A.

Shewhart Example

B.

Pareto Principle

C.

Balance Equation

D.

Connection Principle

Question 42

When a Belt properly analyzes the results of an experiment he must examine the Residuals in expectation of finding all of the following except _________.

Options:

A.

Some Residuals higher than others

B.

Some Residuals lower than others

C.

All Residuals within 2 Standard Deviations of the Mean

D.

Residuals will represent a Linear Regression

Question 43

Special Cause Variation falls into which two categories?

Options:

A.

Natural & Unnatural

B.

Short Term & Long Term

C.

Assignable & Pattern

D.

Attribute & Discreet

Question 44

One of the foundations of Lean Six Sigma is the concept that the output of a process (Y) is influenced by the process inputs (X’s) and is commonly shown as which formula?

Options:

A.

Y = Z(X2)

B.

Y = f(X3)

C.

Y = f(Xn)

D.

Y = g(X+ 1.5)

Question 45

An operator is measuring the distance between two points. Which is most likely to be influenced by the operator?

Options:

A.

Precision of the measurement

B.

Accuracy of the measurement

C.

Calibration of the instrument

D.

All of these answers are correct

Demo: 45 questions
Total 227 questions