Question 1

Common causes of variation are also known as __________________________.

Accepted Answer

A) frequent 
B) usual 
C) inexpensive 
D) ordinary 
E) random 
A) frequent 
B) usual 
C) inexpensive 
D) ordinary 
E) random E

Question 2

Another way to construct the control limits for variables is to use the standard deviation as an estimate of variability of the process.

Accepted Answer

A) True 
 B)False  False

Question 3

What is a control chart that monitors changes in the dispersion or variability of a process?

Accepted Answer

A) x-bar chart 
B) R-chart 
C) p-chart 
D) c-chart 
E) OC chart 
A) x-bar chart 
B) R-chart 
C) p-chart 
D) c-chart 
E) OC chart B

Question 4

What is the term for the probability that a value falling outside the control limits is still due to normal variation?

Accepted Answer

A) Type I error 
B) Type II error 
C) Normalization anomaly 
D) Beta risk 
E) Standard deviation irregularity 
A) Type I error 
B) Type II error 
C) Normalization anomaly 
D) Beta risk 
E) Standard deviation irregularity

Question 5

Suppose that you have created control charts to measure the length of candles. The process is in a state of control if either the x-bar chart is in control or the R-chart is in control.

Accepted Answer

A) True 
 B)False

Question 6

Suppose that Matt wants to use a process control chart to monitor the number of different types of mistakes that he makes when giving motivational speeches to student groups. Which control chart would be most appropriate?

Accepted Answer

A) x-bar chart 
B) R-chart 
C) p-chart 
D) c-chart 
E) OC chart 
A) x-bar chart 
B) R-chart 
C) p-chart 
D) c-chart 
E) OC chart

Question 7

If the upper control limit for a c-chart is 28 and the lower control limit is 4, what is the average number of defects per sample?

Accepted Answer

A) 16 
B) 12 
C)  5.29 
D)  7.29 
E)  4 
A) 16 
B) 12 
C)  5.29 
D)  7.29 
E)  4

Question 8

For a p-chart or c-chart, what is the implication of a negative value for the LCL?

Accepted Answer

A) A calculation error must have occurred. 
B) The value of sigma must be reduced. 
C) The process has too many errors. 
D) The process is in a state of control. 
E) The LCL can effectively be rounded up to 0. 
A) A calculation error must have occurred. 
B) The value of sigma must be reduced. 
C) The process has too many errors. 
D) The process is in a state of control. 
E) The LCL can effectively be rounded up to 0.

Question 9

In six-sigma programs, individuals are given __________________ titles that reflect their skills in the six-sigma process.

Accepted Answer

A) Olympic medal 
B) academic 
C) martial arts 
D) medieval jousting 
E) boxing 
A) Olympic medal 
B) academic 
C) martial arts 
D) medieval jousting 
E) boxing

Question 10

Two areas of operations management that are particularly affected by the decision to increase the level of quality and reduce the number of product defects are ____ and ___ ___

Accepted Answer

product, p

Question 11

An OC curve is an example of what?

Accepted Answer

A) Traditional statistical tools 
B) Fishbone diagramming 
C) Acceptance sampling 
D) Experimental design 
E) Statistical process control 
A) Traditional statistical tools 
B) Fishbone diagramming 
C) Acceptance sampling 
D) Experimental design 
E) Statistical process control

Question 12

All processes will have what type of variation?

Accepted Answer

A) Random 
B) Assignable 
C) Identifiable 
D) Stochastic 
E) Common 
A) Random 
B) Assignable 
C) Identifiable 
D) Stochastic 
E) Common

Question 13

The range is an example of what?

Accepted Answer

A) Traditional statistical tools 
B) Fishbone diagramming 
C) Acceptance sampling 
D) Experimental design 
E) Statistical process control 
A) Traditional statistical tools 
B) Fishbone diagramming 
C) Acceptance sampling 
D) Experimental design 
E) Statistical process control

Question 14

Describe the two aspects to implementing the six-sigma concept.

Accepted Answer

The first is the use of technical tools

Question 15

What is a control chart that monitors the proportion of defects in a sample?

Accepted Answer

A) x-bar chart 
B) R-chart 
C) p-chart 
D) c-chart 
E) OC chart 
A) x-bar chart 
B) R-chart 
C) p-chart 
D) c-chart 
E) OC chart

Question 16

Describe the difference between black belts and green belts in a six-sigma implementation.

Accepted Answer

Black belts are individuals who have ext

Question 17

The computed AOQ provides a sense of the ______________ of the product

Accepted Answer

overall ou

Question 18

The weight of a bag of sugar is an example of a variable.

Accepted Answer

A) True 
 B)False

Question 19

Each day for two workweeks (10 days total), George weighs 4 bags from that day's production. If the average of the means is 14 oz. and the average range is 0.4 oz., what is the lower control limit for an x-bar chart for this process?

Accepted Answer

A) 13.7084 oz. 
B) 13.8768 oz. 
C) 14.2916 oz. 
D) 12.8000 oz. 
E) 13.5908 oz. 
A) 13.7084 oz. 
B) 13.8768 oz. 
C) 14.2916 oz. 
D) 12.8000 oz. 
E) 13.5908 oz.

Question 20

Define acceptance sampling.

Accepted Answer

a technique that det

Common causes of variation are also known as __________________________.

Another way to construct the control limits for variables is to use the standard deviation as an estimate of variability of the process.

What is a control chart that monitors changes in the dispersion or variability of a process?

What is the term for the probability that a value falling outside the control limits is still due to normal variation?

Suppose that you have created control charts to measure the length of candles. The process is in a state of control if either the x-bar chart is in control or the R-chart is in control.

Suppose that Matt wants to use a process control chart to monitor the number of different types of mistakes that he makes when giving motivational speeches to student groups. Which control chart would be most appropriate?

If the upper control limit for a c-chart is 28 and the lower control limit is 4, what is the average number of defects per sample?

For a p-chart or c-chart, what is the implication of a negative value for the LCL?

In six-sigma programs, individuals are given __________________ titles that reflect their skills in the six-sigma process.

Two areas of operations management that are particularly affected by the decision to increase the level of quality and reduce the number of product defects are __ and _ ___

An OC curve is an example of what?

All processes will have what type of variation?

The range is an example of what?

Describe the two aspects to implementing the six-sigma concept.

What is a control chart that monitors the proportion of defects in a sample?

Describe the difference between black belts and green belts in a six-sigma implementation.

The computed AOQ provides a sense of the ______________ of the product

The weight of a bag of sugar is an example of a variable.

Each day for two workweeks (10 days total), George weighs 4 bags from that day's production. If the average of the means is 14 oz. and the average range is 0.4 oz., what is the lower control limit for an x-bar chart for this process?

Define acceptance sampling.

Introduction to Operations Management

Operations Strategy and Competitiveness

Product Design and Process Selection

E-Commerce and Supply Chain Management

Total Quality Management

Just-In-Time and Lean Systems

Forecasting

Capacity Planning and Facility Location

Facility Layout

Work System Design

Independent Demand Inventory Management

Aggregate Planning

Resource Planning

Scheduling

Project Management

Spreadsheet Modeling: an Introduction

Spreadsheet Modeling: an Introduction

Waiting Line Models

Master Scheduling and Rough-Cut Capacity Planning

Filters

Exam 6: Statistical Quality Control

Common causes of variation are also known as __________________________.

Another way to construct the control limits for variables is to use the standard deviation as an estimate of variability of the process.

What is a control chart that monitors changes in the dispersion or variability of a process?

What is the term for the probability that a value falling outside the control limits is still due to normal variation?

Suppose that you have created control charts to measure the length of candles. The process is in a state of control if either the x-bar chart is in control or the R-chart is in control.

Suppose that Matt wants to use a process control chart to monitor the number of different types of mistakes that he makes when giving motivational speeches to student groups. Which control chart would be most appropriate?

If the upper control limit for a c-chart is 28 and the lower control limit is 4, what is the average number of defects per sample?

For a p-chart or c-chart, what is the implication of a negative value for the LCL?

In six-sigma programs, individuals are given __________________ titles that reflect their skills in the six-sigma process.

Two areas of operations management that are particularly affected by the decision to increase the level of quality and reduce the number of product defects are ____ and ___ ___

An OC curve is an example of what?

All processes will have what type of variation?

The range is an example of what?

Describe the two aspects to implementing the six-sigma concept.

What is a control chart that monitors the proportion of defects in a sample?

Describe the difference between black belts and green belts in a six-sigma implementation.

The computed AOQ provides a sense of the ______________ of the product

The weight of a bag of sugar is an example of a variable.

Each day for two workweeks (10 days total), George weighs 4 bags from that day's production. If the average of the means is 14 oz. and the average range is 0.4 oz., what is the lower control limit for an x-bar chart for this process?

Define acceptance sampling.

Introduction to Operations Management

Operations Strategy and Competitiveness

Product Design and Process Selection

E-Commerce and Supply Chain Management

Total Quality Management

Just-In-Time and Lean Systems

Forecasting

Capacity Planning and Facility Location

Facility Layout

Work System Design

Independent Demand Inventory Management

Aggregate Planning

Resource Planning

Scheduling

Project Management

Spreadsheet Modeling: an Introduction

Spreadsheet Modeling: an Introduction

Waiting Line Models

Master Scheduling and Rough-Cut Capacity Planning

Filters

Two areas of operations management that are particularly affected by the decision to increase the level of quality and reduce the number of product defects are __ and _ ___