MULTIPLE CHOICE FOR SATISTICS

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six_sigma_week_15_and_1416.docx

When considering the strategy of a Six Sigma initiative, each functional area manager should place emphasis on

A

Their own processes to ensure that they are optimized

B

Identify, measure, monitor, and improve processes that directly affect the customer

C

The culture of their respective organizations

D

Their suppliers’ capabilities

DMADV is an acronym that stands for

A

Design, Measure, Analyze, Develop, Verify

B

Define, Measure, Analyze, Develop, Verify

C

Define, Measure, Analyze, Design, Verify

D

Design, Measure, Analyze, Develop, Validate

When using a balanced scorecard, which perspective helps the organization understand what the customer values?

A

Learning and growth

B

Customer

C

Business process

D

Financial

characteristics of a high-functioning organization include

I. Customer focus II. Process focus III. Culture focus IV. Tactics focus V. Statistics focus

A

I, and III only

B

II and III only

C

I, II, and III only

D

I, II, III, IV, and V

According to George Eckes, the major reason(s) why projects fail is due to

I. Failure to obtain stakeholder buy-in II. Scope creep III. Poor/no champion involvement IV. Insufficient use of the statistical tools of Six Sigma (i.e., the tactics of Six Sigma) V. Poor team dynamics

A

I, II, and IV only

B

III only

C

V only

D

I, II, III, and V only

E

I, II, III, IV, and V

Q x A = E means

A

Effort is the product of Quality multiplied by the Amount of work in progress

B

Results are excellent if the acceptance and tactics of Six Sigma are optimal

C

Quality multiplied by Ability equals Effectiveness

D

The level Quality multiplied by Assurance equals Excellence

When using a Balanced Scorecard, which of the following is a financial performance indicator?

A

Customer retention

B

Return on investment

C

Customer acquisition

D

On-time delivery

Which of these statements is correct?

A

Core processes feed into sub-processes that then feed into dashboard measures

B

Core processes feed into dashboard measures that feed into sub-processes

C

Dashboard measures feed into core processes that feed into sub-processes

D

Dashboard measures feed into sub-processes that feed into core processes

At what point in a Six Sigma initiative should you move toward creating a Six Sigma culture?

A

Immediately

B

After the completion of the first project

C

At about the two- to three-year mark and beyond

D

After five years

of the following statements is incorrect?

A

Six Sigma is best described as a quality program

B

You should not focus on cost savings only when trying to implement a Six Sigma initiative

C

A Black Belt should really (ideally) should be a full-time job

D

A Green Belt should really (ideally) should be a part-time job

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a Measurement System Evaluation (MSE), measurement error

A

Is displayed as dots on the chart

B

Shows up in the width of the control limits for both the x-bar portion and the range portion

C

Is acceptable when there are no points out of control on the x-bar portion of the chart

D

Reveals within-piece variation

The process mean over time is normally expected to drift

A

About 1.5 standard deviations

B

About 6 standard deviations

C

About 6 units of measure

D

Toward the upper specification limit

Which of the following statements is true?

A

Shifts, trends, and points out of control can be determined on the range portion of an X-bar, R control chart

B

Specifications should be drawn on a control chart so that bad products can be detected

C

An X-bar, R chart is the best choice to use when one does not have rational subgroups

D

None of the above

Using the Box Cox Transformation formula, if the original value x = 3 and λ = 2, what is the resulting transformed value?

A

9

B

8

C

2/3

D

1.5

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process characterization

A

Process parameter capabilities ideally should track/correlate with product parameter capabilities

B

Assurance is achieved and maintained through 100% inspection at the beginning of the process, in the middle of the process and at the end of the process

C

Acceptable capability indices (e.g., Cp, Pp, Ppk) for identified process parameters should assure good product

D

All product parameters are monitored, controlled and continuously improved upon

Pre-control charting uses which of the following to determine process goodness?

A

Standard deviation

B

Range values

C

Specifications

D

None of the above

Which type of data is defined as "anything that can be classified as either/or?"

A

Variable data

B

Attribute data

C

Distributed data

D

Irrefutable data

The Central Limit Theorem states that the distribution of the sample means approaches normal ____________.

A

only when the parent population is normal

B

only when the parent population is lognormal

C

regardless of the shape of the parent population

D

only when the number of samples gets greater than 100

: What should NEVER be included on a control chart of any kind?

A

Specification lines

B

Notes

C

Dashed lines

D

None of the above

When referring to measurement system linearity, in general

A

The lower the slope, the better the gage linearity

B

The greater the slope, the better the gage linearity

C

The lower the slope, the worse the gage linearity

D

Both A and B

A process is said to be capable and acceptable when

A

Cpk or Ppk is a negative number

B

It meets customer requirements

C

There are no defects produced

D

It is capable of fitting within the spec limits

What does a negative Cpk or Ppk indicate?

A

It is always is a math error

B

The process average is out of specification

C

The process standard deviation is negative

D

The process mean is closer to the lower specification

What varies more, averages or individuals?

A

Averages vary more than individuals

B

Individuals vary more than averages

C

There is no difference between the two

D

Nobody really knows; there are only theories

Using the Box Cox Transformation formula, if the original value x = 10 and λ = -3, what is the resulting transformed value?

A

-1000

B

0.001

C

-0.001

D

1000

Using the Box Cox Transformation formula, if the original value x = 10 and λ = -3, what is the resulting transformed value?

A

-1000

B

0.001

C

-0.001

D

1000

According to Six Sigma philosophy

A

Cp or Pp and Cpk or Ppk should be greater than 1.33

B

Cp or Pp and Cpk or Ppk should be greater than 1.50

C

Standard deviation is greater than 6

D

Standard deviation is less than 6

is the name of the chart that plots the standard deviation of subgroups?

A

S-chart

B

Moving average chart

C

R-chart

D

X-bar chart

What is the only variable that determines the width of the control limits of the averages portion of the x-bar, R chart?

A

D4

B

R-bar

C

A2

D

None of the above

A run chart can reveal

A

Points out of control

B

Shifts

C

Trends

D

B and C only

Which of the following is NOT an assignable cause on a control chart?

A

Shift

B

Trend

C

A point not within the specification limits

D

A point outside of the control limits

The grand average of the subgroup averages is known as

A

X-bar bar

B

X-double bar

C

The grand average

D

All of the above

A trend (in control charting) is typically described as

A

Seven points in a row either above or below the center line

B

Seven points in a row in either an upward or downward direction

C

Seven points in a row that are beyond the control limits

D

Seven data points in a subgroup

Which of the following statements regarding the normal curve is NOT true?

A

It indicates that the process is normally distributed

B

It indicates that no factor or combination of factors is unduly influencing the process

C

It says nothing about the center of the process variation

D

It is a Gaussian distribution

A trend in a run chart is defined as

A

Seven consecutive points

B

Seven points in a row above or below the center line

C

Seven points in a row in an upward or downward direction

D

Seven points in a subgroup

Which of the following statements are true? I. A process is capable with a Cp ot Pp = 1.0 II. A process may be acceptable with a Cp or Pp = 1.0 III. A Cp or Pp of 1.0 means the process variation is equal to the specification spread IV. A Cp or Pp of 1.0 means Cpk or Ppk = 2.0

A

I only

B

II only

C

I, II, and III only

D

I, II, III, and IV

In George Eckes' lecture on ten questions regarding Six Sigma, he explains that Six Sigma can be applied to all businesses EXCEPT those that

A

Have annual revenues less than $30 million

B

Do something different every day

C

Have been in existence for less than one year

D

Do very little in the way of manual processes

What is the physical manifestation of values and beliefs?

A

Employee handbook

B

Infrastructure

C

Behaviors

D

All of the above

Which of the following is not among the desired behaviors discussed in the change agent lectures?

A

Seek direction from others

B

Give others credit

C

Learn from mistakes

D

Share information before it is needed

In George Eckes' lecture on ten questions regarding Six Sigma, he gives some advice to those who already have a "full plate." What is that advice?

A

Recognize that it is management's role to incorporate Six Sigma into your job description

B

Dedicate just 30 minutes a day to learning the tools and techniques; it all adds up

C

Rally support for Six Sigma among the middle-to-lower-level employees in your organization

D

Build a project charter for one Six Sigma project and then seek management approval

of the following statements is true?

A

Problems are not things; they are perceptions of things

B

Different people can perceive the same reality differently

C

Given a choice, it is favorable to choose a perception that affords you some control over reality

D

All of the above

A "player" is not willing to accept ownership of a problem.

A

True

B

False

In George Eckes' lecture on ten questions regarding Six Sigma, he states that members of a Six Sigma process improvement team can generally expect to spend ______ of their work time on Six Sigma activities.

A

10-20%

B

20-30%

C

30-40%

D

40-50%

To be an effective change agent, it is important that you are able to

A

Solve problems on your own

B

Bring out the "player" in those around you

C

Keep others on the defensive

D

None of the above

In George Eckes' lecture on ten questions regarding Six Sigma, he identifies ________ as the most creative tool available in the Six Sigma toolbox.

A

CTQ trees

B

Lean thinking

C

QFD

D

DMADV

What is the only real difference between your company and your competitors'?

A

Your technology

B

Your infrastructure

C

Your Six Sigma methodology

D

Your people