Question 1

A process that is in control has no variation.

Accepted Answer

A) True 
 B)False

Question 2

For which of the following would a control chart for attributes not be appropriate?

Accepted Answer

A)  Number of nonfunctioning light bulbs 
B)  Proportion of broken eggs in a carton 
C)  Number of rotten apples 
D)  Number of complaints issued 
E)  Length of metal rods 
A)  Number of nonfunctioning light bulbs 
B)  Proportion of broken eggs in a carton 
C)  Number of rotten apples 
D)  Number of complaints issued 
E)  Length of metal rods

Question 3

The A2 factor includes two standard deviations of ranges.

Accepted Answer

A) True 
 B)False

Question 4

A skewed distribution implies that assignable causes of variation may be present.

Accepted Answer

A) True 
 B)False

Question 5

Suppose that you want to monitor the average ounces of a process that fills beer cans. Which control chart would be 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 6

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

Accepted Answer

Black belts are individuals who have ext

Question 7

What is the first step that should be taken if an observation falls below the lower control limit on a control chart?

Accepted Answer

A)  Recalibrate the machine 
B)  Perform a new process capability study 
C)  Try a larger standard deviation value 
D)  Search for assignable causes 
E)  Nothing-a low value is a "good" thing 
A)  Recalibrate the machine 
B)  Perform a new process capability study 
C)  Try a larger standard deviation value 
D)  Search for assignable causes 
E)  Nothing-a low value is a "good" thing

Question 8

Suppose that you have calculated the control limits for a p-chart to be the following:
LCL = 0.02 and UCL = 0.08.
Today, you took 10 samples of 20 units each. The first nine samples each had one defect. The last sample had zero defects. What can you conclude?

Accepted Answer

A)  the process is out of control 
B)  the process is in a state of control 
C)  the last sample should be ignored because it was "too good" 
D)  you calculated the limits incorrectly because the LCL must be either negative or 0 
E)  the sample size must be increased 
A)  the process is out of control 
B)  the process is in a state of control 
C)  the last sample should be ignored because it was "too good" 
D)  you calculated the limits incorrectly because the LCL must be either negative or 0 
E)  the sample size must be increased

Question 9

An important task in quality control is to find out the range of natural random variation in a process.

Accepted Answer

A) True 
 B)False

Question 10

What does "OC" stand for?

Accepted Answer

Operating

Question 11

Suppose that you want to monitor the variability in ounces of a process that fills beer cans. Which control chart would be 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 12

Variation in the production process leads to:

Accepted Answer

A)  quality defects 
B)  process improvement opportunities 
C)  quality improvements 
D)  product consistency 
E)  service improvements 
A)  quality defects 
B)  process improvement opportunities 
C)  quality improvements 
D)  product consistency 
E)  service improvements

Question 13

What technique determines whether a batch of goods should be accepted or rejected?

Accepted Answer

A)  Statistical process control 
B)  Acceptance sampling 
C)  Fishbone diagramming 
D)  Scatter plotting 
E)  Experimental design 
A)  Statistical process control 
B)  Acceptance sampling 
C)  Fishbone diagramming 
D)  Scatter plotting 
E)  Experimental design

Question 14

Which of the following would imply that data observations are closely clustered around the mean?

Accepted Answer

A)  Small range and small standard deviation 
B)  Small range and large standard deviation 
C)  Large range and small standard deviation 
D)  Large range and large standard deviation 
E)  Neither range nor standard deviation has anything to do with "clustering." 
A)  Small range and small standard deviation 
B)  Small range and large standard deviation 
C)  Large range and small standard deviation 
D)  Large range and large standard deviation 
E)  Neither range nor standard deviation has anything to do with "clustering."

Question 15

A c-chart 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 16

A process can be considered in a state of control even if one observation is 1.75 standard deviations above the mean.

Accepted Answer

A) True 
 B)False

Question 17

The term for "inspecting a random sample of an output from process, within range and functioning properly" is Statistical Process Control

Accepted Answer

A) True 
 B)False

Question 18

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

Question 19

Describe why service organizations have tended to lag manufacturing organization in the application of SQC.

Accepted Answer

The primary reason is that statistical q

Question 20

What are preset ranges of acceptable quality characteristics?

Accepted Answer

A)  Control limits. 
B)  Product specifications. 
C)  Six-sigma limits. 
D)  AQC limits. 
E)  R-chart limits. 
A)  Control limits. 
B)  Product specifications. 
C)  Six-sigma limits. 
D)  AQC limits. 
E)  R-chart limits.

A process that is in control has no variation.

For which of the following would a control chart for attributes not be appropriate?

The A₂ factor includes two standard deviations of ranges.

A skewed distribution implies that assignable causes of variation may be present.

Suppose that you want to monitor the average ounces of a process that fills beer cans. Which control chart would be appropriate?

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

What is the first step that should be taken if an observation falls below the lower control limit on a control chart?

Suppose that you have calculated the control limits for a p-chart to be the following: LCL = 0.02 and UCL = 0.08. Today, you took 10 samples of 20 units each. The first nine samples each had one defect. The last sample had zero defects. What can you conclude?

An important task in quality control is to find out the range of natural random variation in a process.

What does "OC" stand for?

Suppose that you want to monitor the variability in ounces of a process that fills beer cans. Which control chart would be appropriate?

Variation in the production process leads to:

What technique determines whether a batch of goods should be accepted or rejected?

Which of the following would imply that data observations are closely clustered around the mean?

A c-chart is an example of what?

A process can be considered in a state of control even if one observation is 1.75 standard deviations above the mean.

The term for "inspecting a random sample of an output from process, within range and functioning properly" is Statistical Process Control

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

Describe why service organizations have tended to lag manufacturing organization in the application of SQC.

What are preset ranges of acceptable quality characteristics?

Introduction to Operations Management

Operations Strategy and Competitiveness

Product Design and Process Selection

Supply Chain Management

Total Quality Management

Just-In-Time and Lean Systems

Forecasting

Capacity Planning and Facility Location

Facility Layout

Work System Design

Inventory Management

Aggregate Planning

Resource Planning

Scheduling

Project Management

Spreadsheet Modeling: An Introduction

Introduction to Optimization

Waiting Line Models

Master Scheduling and Rough-Cut Capacity Planning

Filters

Exam 6: Statistical Quality Control

A process that is in control has no variation.

For which of the following would a control chart for attributes not be appropriate?

The A2 factor includes two standard deviations of ranges.

A skewed distribution implies that assignable causes of variation may be present.

Suppose that you want to monitor the average ounces of a process that fills beer cans. Which control chart would be appropriate?

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

What is the first step that should be taken if an observation falls below the lower control limit on a control chart?

Suppose that you have calculated the control limits for a p-chart to be the following: LCL = 0.02 and UCL = 0.08. Today, you took 10 samples of 20 units each. The first nine samples each had one defect. The last sample had zero defects. What can you conclude?

An important task in quality control is to find out the range of natural random variation in a process.

What does "OC" stand for?

Suppose that you want to monitor the variability in ounces of a process that fills beer cans. Which control chart would be appropriate?

Variation in the production process leads to:

What technique determines whether a batch of goods should be accepted or rejected?

Which of the following would imply that data observations are closely clustered around the mean?

A c-chart is an example of what?

A process can be considered in a state of control even if one observation is 1.75 standard deviations above the mean.

The term for "inspecting a random sample of an output from process, within range and functioning properly" is Statistical Process Control

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

Describe why service organizations have tended to lag manufacturing organization in the application of SQC.

What are preset ranges of acceptable quality characteristics?

Introduction to Operations Management

Operations Strategy and Competitiveness

Product Design and Process Selection

Supply Chain Management

Total Quality Management

Just-In-Time and Lean Systems

Forecasting

Capacity Planning and Facility Location

Facility Layout

Work System Design

Inventory Management

Aggregate Planning

Resource Planning

Scheduling

Project Management

Spreadsheet Modeling: An Introduction

Introduction to Optimization

Waiting Line Models

Master Scheduling and Rough-Cut Capacity Planning

Filters

The A₂ factor includes two standard deviations of ranges.