Question 1

Briefly describe the central limit theorem.

Accepted Answer

The central limit theorem states that the shape of the distribution of sample averages will follow a normal distribution even if the population distribution is not a normal distribution.

Question 2

Which of the following is not generally considered a driver for best practices?

Accepted Answer

A) Organizational culture 
B) Employee skills 
C) Recognition systems 
D) Customer satisfaction 
E) Training programs 
A) Organizational culture 
B) Employee skills 
C) Recognition systems 
D) Customer satisfaction 
E) Training programs D

Question 3

Attribute data is collected by measuring something on a continuous scale.

Accepted Answer

A) True 
 B)False  False

Question 4

Describe the implications of having a Cpk equal to 1,less than 1,or greater than 1.

Accepted Answer

A Cpk of 1 means that the variations pre

Question 5

Describe three sampling techniques.

Accepted Answer

In a simple random sampling framework,ea

Question 6

Customers are a source of quality improvement ideas.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following summarizes a large number of observations in to a few data categories?

Accepted Answer

A) Bar chart 
B) Histogram 
C) Check sheet 
D) Tree diagram 
E) Scattergram 
A) Bar chart 
B) Histogram 
C) Check sheet 
D) Tree diagram 
E) Scattergram

Question 8

An R chart is used to track changes in the percentages of a specified attribute over time.

Accepted Answer

A) True 
 B)False

Question 9

Attribute data can be tracked on what type of control chart?

Accepted Answer

A) X bar chart 
B) R chart 
C) P chart 
D) SPC chart 
E) Counting chart 
A) X bar chart 
B) R chart 
C) P chart 
D) SPC chart 
E) Counting chart

Question 10

Which of the following tools illustrates that a few causes are responsible for the majority of the problems?

Accepted Answer

A) Check sheet 
B) Ishikawa diagram 
C) Pareto analysis 
D) Control chart 
E) Capability analysis 
A) Check sheet 
B) Ishikawa diagram 
C) Pareto analysis 
D) Control chart 
E) Capability analysis

Question 11

When the cost of failure is high,a PDPC should be considered.

Accepted Answer

A) True 
 B)False

Question 12

Control charts are effective at determining whether the variations that are present in a process are random variations or what?

Accepted Answer

A) Natural variation 
B) Limited variation 
C) Assignable variation 
D) Controllable variation 
E) Present variation 
A) Natural variation 
B) Limited variation 
C) Assignable variation 
D) Controllable variation 
E) Present variation

Question 13

What term describes a process for which a prespecified percentage of measurements fall inside the specification limits?

Accepted Answer

A) Random 
B) Special 
C) Capable 
D) Out of control 
E) Scattered 
A) Random 
B) Special 
C) Capable 
D) Out of control 
E) Scattered

Question 14

The purpose of FMEA is to take action to eliminate or reduce failures,starting with the highest-priority ones.

Accepted Answer

A) True 
 B)False

Question 15

A continuous process cuts pipe into lengths of 79 inches.Five samples of six observations each have been taken,and the results are listed below.Calculate the control limits for the R chart.

Accepted Answer

@#IMG-DLM& @#IMG-DLM& = 1.66 UCLR = D4R

Question 16

Control limits are generally 3 standard deviations from the center line.

Accepted Answer

A) True 
 B)False

Question 17

Customer feedback is essential for developing any quality improvement plan.

Accepted Answer

A) True 
 B)False

Question 18

Fail-safing refers to investigating how a process might fail.

Accepted Answer

A) True 
 B)False

Question 19

A collection of defective metal castings were studied and classified as follows:

Accepted Answer

Create a P

Question 20

The following figure shows a histogram.

Accepted Answer

A) True 
 B)False

Briefly describe the central limit theorem.

Which of the following is not generally considered a driver for best practices?

Attribute data is collected by measuring something on a continuous scale.

Describe the implications of having a Cpk equal to 1,less than 1,or greater than 1.

Describe three sampling techniques.

Customers are a source of quality improvement ideas.

Which of the following summarizes a large number of observations in to a few data categories?

An R chart is used to track changes in the percentages of a specified attribute over time.

Attribute data can be tracked on what type of control chart?

Which of the following tools illustrates that a few causes are responsible for the majority of the problems?

When the cost of failure is high,a PDPC should be considered.

Control charts are effective at determining whether the variations that are present in a process are random variations or what?

What term describes a process for which a prespecified percentage of measurements fall inside the specification limits?

The purpose of FMEA is to take action to eliminate or reduce failures,starting with the highest-priority ones.

A continuous process cuts pipe into lengths of 79 inches.Five samples of six observations each have been taken,and the results are listed below.Calculate the control limits for the R chart.

Control limits are generally 3 standard deviations from the center line.

Customer feedback is essential for developing any quality improvement plan.

Fail-safing refers to investigating how a process might fail.

A collection of defective metal castings were studied and classified as follows:

The following figure shows a histogram.

Operations and Supply Chain Strategy

Quality Management

New Product Development

Process Design and Analysis

Forecasting

Independent Demand Inventory

Dependent Demand Inventory

Project Management

Optimization and Simulation Modeling

Capacity Planning

Lean Enterprise

Technology and Integrated Supply Management

Global Supply Chain and Service Integration

Filters

Exam 11: Quality Improvement Methods

Briefly describe the central limit theorem.

Which of the following is not generally considered a driver for best practices?

Attribute data is collected by measuring something on a continuous scale.

Describe the implications of having a Cpk equal to 1,less than 1,or greater than 1.

Describe three sampling techniques.

Customers are a source of quality improvement ideas.

Which of the following summarizes a large number of observations in to a few data categories?

An R chart is used to track changes in the percentages of a specified attribute over time.

Attribute data can be tracked on what type of control chart?

Which of the following tools illustrates that a few causes are responsible for the majority of the problems?

When the cost of failure is high,a PDPC should be considered.

Control charts are effective at determining whether the variations that are present in a process are random variations or what?

What term describes a process for which a prespecified percentage of measurements fall inside the specification limits?

The purpose of FMEA is to take action to eliminate or reduce failures,starting with the highest-priority ones.

A continuous process cuts pipe into lengths of 79 inches.Five samples of six observations each have been taken,and the results are listed below.Calculate the control limits for the R chart.

Control limits are generally 3 standard deviations from the center line.

Customer feedback is essential for developing any quality improvement plan.

Fail-safing refers to investigating how a process might fail.

A collection of defective metal castings were studied and classified as follows:

The following figure shows a histogram.

Operations and Supply Chain Strategy

Quality Management

New Product Development

Process Design and Analysis

Forecasting

Independent Demand Inventory

Dependent Demand Inventory

Project Management

Optimization and Simulation Modeling

Capacity Planning

Lean Enterprise

Technology and Integrated Supply Management

Global Supply Chain and Service Integration

Filters