Question 1

If the quality of a process's output is determined by classifying the output as being defective or not defective, use a(n) ___ control chart.

Accepted Answer

A)    
B)  R 
C)  c 
D)  p 
A)    
B)  R 
C)  c 
D)  p

Question 2

What is a c-chart and when is it used?

Accepted Answer

A c-chart is a type of attribute control

Question 3

Employee training in statistical process control is a fundamental principle in total quality management programs.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following control charts is used to control the variation within samples?

Accepted Answer

A)    
B)  R 
C)  c 
D)  p 
A)    
B)  R 
C)  c 
D)  p

Question 5

Special cause variation in a process is more likely to be detected with

Accepted Answer

A)  wider control limits. 
B)  narrow control limits. 
C)  wider specification limits. 
D)  narrow specification limits. 
A)  wider control limits. 
B)  narrow control limits. 
C)  wider specification limits. 
D)  narrow specification limits.

Question 6

Typically, the operating characteristic curve shows the following on the horizontal and vertical axis (answers are given as horizontal axis and vertical axis respectively):

Accepted Answer

A)  proportion defective and probability of acceptance. 
B)  proportion non-defective and probability of acceptance. 
C)  proportion defective and probability of rejection. 
D)  proportion non-defective and probability of rejection. 
A)  proportion defective and probability of acceptance. 
B)  proportion non-defective and probability of acceptance. 
C)  proportion defective and probability of rejection. 
D)  proportion non-defective and probability of rejection.

Question 7

There are several general guidelines associated with the zones for identifying patterns in a control chart, where none of the observations are beyond the control limits. Which of the following is NOT one of those guidelines?

Accepted Answer

A)  Fourteen points alternating up or down. 
B)  Two out of three consecutive points in Zone A (on one side of the centre line). 
C)  Three out of four consecutive points in Zone B (on one side of the centre line). 
D)  Four out of five consecutive points in Zone A or B (on one side of the centre line) 
A)  Fourteen points alternating up or down. 
B)  Two out of three consecutive points in Zone A (on one side of the centre line). 
C)  Three out of four consecutive points in Zone B (on one side of the centre line). 
D)  Four out of five consecutive points in Zone A or B (on one side of the centre line)

Question 8

With a single-sample attribute plan, only one of the items randomly sampled from a lot is inspected.

Accepted Answer

A) True 
 B)False

Question 9

Assume that a process is operating on target and 99.8% of the products manufactured just fit within the specification limits. What can you say about the process?

Accepted Answer

A)  The process is not capable. 
B)  The process is just capable. 
C)  The process is highly capable. 
D)  The process is world-class capable. 
A)  The process is not capable. 
B)  The process is just capable. 
C)  The process is highly capable. 
D)  The process is world-class capable.

Question 10

Why are   and R-charts used together?

Accepted Answer

When monitoring a variables characterist

Question 11

If ?σ is the population standard deviation, k the number of samples or subgroups, and n the sample size (number of observations in each subgroup), what is the distance from the centre line to the upper control limit?

Accepted Answer

A)  σ 
B)  3 σ 
C)  3 σ / √k 
D)  3 σ / √n 
A)  σ 
B)  3 σ 
C)  3 σ / √k 
D)  3 σ / √n

Question 12

If the points plotted on a control chart display a pattern, it is called a run.

Accepted Answer

A) True 
 B)False

Question 13

All processes contain a certain amount of variation in their output.

Accepted Answer

A) True 
 B)False

Question 14

Six Sigma companies report defective parts per million (PPM) versus the more traditional defective parts per hundred.

Accepted Answer

A) True 
 B)False

Question 15

Design specification limits should always be wider than the control limits for a given process.

Accepted Answer

A) True 
 B)False

Question 16

The formula used to determine the upper and lower control limits is based on specification limits.

Accepted Answer

A) True 
 B)False

Question 17

Special cause variation can be identified using statistical process control.

Accepted Answer

A) True 
 B)False

Question 18

What is a p-chart and when is it used?

Accepted Answer

A p-chart is a type of attribute control

Question 19

An R-chart monitors the robustness of a process.

Accepted Answer

A) True 
 B)False

Question 20

Is acceptance sampling consistent with TQM?

Accepted Answer

Acceptance sampling is a historical appr

If the quality of a process's output is determined by classifying the output as being defective or not defective, use a(n) ___ control chart.

What is a c-chart and when is it used?

Employee training in statistical process control is a fundamental principle in total quality management programs.

Which of the following control charts is used to control the variation within samples?

Special cause variation in a process is more likely to be detected with

Typically, the operating characteristic curve shows the following on the horizontal and vertical axis (answers are given as horizontal axis and vertical axis respectively):

There are several general guidelines associated with the zones for identifying patterns in a control chart, where none of the observations are beyond the control limits. Which of the following is NOT one of those guidelines?

With a single-sample attribute plan, only one of the items randomly sampled from a lot is inspected.

Assume that a process is operating on target and 99.8% of the products manufactured just fit within the specification limits. What can you say about the process?

Why are and R-charts used together?

If ?σ is the population standard deviation, k the number of samples or subgroups, and n the sample size (number of observations in each subgroup), what is the distance from the centre line to the upper control limit?

If the points plotted on a control chart display a pattern, it is called a run.

All processes contain a certain amount of variation in their output.

Six Sigma companies report defective parts per million (PPM) versus the more traditional defective parts per hundred.

Design specification limits should always be wider than the control limits for a given process.

The formula used to determine the upper and lower control limits is based on specification limits.

Special cause variation can be identified using statistical process control.

What is a p-chart and when is it used?

An R-chart monitors the robustness of a process.

Is acceptance sampling consistent with TQM?

Introduction to Operations and Supply Chain Management

Quality Management

Product Design

Service Design

Processes and Technology

Capacity and Facilities Design

Human Resources

Project Management

Supply Chain Management Strategy and Design

Global Supply Chain Procurement and Distribution

Forecasting

Inventory Management

Sales and Operations Planning

Resource Planning

Lean Systems

Scheduling

Filters

Exam 3: Statistical Process Control

If the quality of a process's output is determined by classifying the output as being defective or not defective, use a(n) ___ control chart.

What is a c-chart and when is it used?

Employee training in statistical process control is a fundamental principle in total quality management programs.

Which of the following control charts is used to control the variation within samples?

Special cause variation in a process is more likely to be detected with

Typically, the operating characteristic curve shows the following on the horizontal and vertical axis (answers are given as horizontal axis and vertical axis respectively):

There are several general guidelines associated with the zones for identifying patterns in a control chart, where none of the observations are beyond the control limits. Which of the following is NOT one of those guidelines?

With a single-sample attribute plan, only one of the items randomly sampled from a lot is inspected.

Assume that a process is operating on target and 99.8% of the products manufactured just fit within the specification limits. What can you say about the process?

Why are and R-charts used together?

If ?σ is the population standard deviation, k the number of samples or subgroups, and n the sample size (number of observations in each subgroup), what is the distance from the centre line to the upper control limit?

If the points plotted on a control chart display a pattern, it is called a run.

All processes contain a certain amount of variation in their output.

Six Sigma companies report defective parts per million (PPM) versus the more traditional defective parts per hundred.

Design specification limits should always be wider than the control limits for a given process.

The formula used to determine the upper and lower control limits is based on specification limits.

Special cause variation can be identified using statistical process control.

What is a p-chart and when is it used?

An R-chart monitors the robustness of a process.

Is acceptance sampling consistent with TQM?

Introduction to Operations and Supply Chain Management

Quality Management

Product Design

Service Design

Processes and Technology

Capacity and Facilities Design

Human Resources

Project Management

Supply Chain Management Strategy and Design

Global Supply Chain Procurement and Distribution

Forecasting

Inventory Management

Sales and Operations Planning

Resource Planning

Lean Systems

Scheduling

Filters