Question 1

In applying quality control charts,a sample statistic that falls outside the UCL and LCL indicates the process is exhibiting common causes of variation.

Accepted Answer

A) True 
 B)False

Question 2

________ costs arise when a defect is discovered after the customer has received the product or service.

Accepted Answer

The answer of ________ costs arise when a defect is...

Question 3

Table 6.2
Observation Number
 $$\begin{array} { | c | c | c | c | c | c | } 
\hline \begin{array} { c } 
\text { Sample } \
\text { Number }
\end{array} & 1 & 2 & 3 & 4 & 5 \
\hline 1 & 10.1 & 10.6 & 9.8 & 9.9 & 10.9 \
2 & 9.7 & 9.5 & 10.3 & 9.9 & 10.5 \
3 & 10.1 & 10.7 & 9.2 & 10.0 & 10.1 \
4 & 9.9 & 9.8 & 10.5 & 10.4 & 10.1 \
5 & 10.4 & 10.1 & 10.9 & 9.9 & 10.3 \
\hline
\end{array}$$
-Using Table 6.2,for the $\bar { X }$ -chart,what is the value of LCL $\bar { X }$ ?

Accepted Answer

A)  less than or equal to 9.00 
B)  greater than 9.00 but less than or equal to 9.99 
C)  greater than 9.99 but less than or equal to 10.99 
D)  greater than 10.99 
A)  less than or equal to 9.00 
B)  greater than 9.00 but less than or equal to 9.99 
C)  greater than 9.99 but less than or equal to 10.99 
D)  greater than 10.99

Question 4

"Conformance to specifications" implies that

Accepted Answer

A)  there is no need to scrap or rework any product because it always meets specifications. 
B)  quality standards are specified for products or services. 
C)  quality performance is measured by the product's value. 
D)  quality level will be high. 
A)  there is no need to scrap or rework any product because it always meets specifications. 
B)  quality standards are specified for products or services. 
C)  quality performance is measured by the product's value. 
D)  quality level will be high.

Question 5

One way to achieve employee involvement is through the use of teams.

Accepted Answer

A) True 
 B)False

Question 6

Deming argued that the vast majority of quality problems can be attributed to managers or the systems they put in place,not with the employees that must do their work according to these systems.

Accepted Answer

A) True 
 B)False

Question 7

Which one of the following statements is TRUE?

Accepted Answer

A)  Fitness for use is how well a product or service serves its intended market at a price customers are willing to pay. 
B)  The quality of service is generally easier to measure than is the quality of manufactured products. 
C)  High conformance to quality in manufacturing has no effect on profit margins. 
D)  Rework tends to increase lead time and inventory levels maintained in a manufacturing company. 
A)  Fitness for use is how well a product or service serves its intended market at a price customers are willing to pay. 
B)  The quality of service is generally easier to measure than is the quality of manufactured products. 
C)  High conformance to quality in manufacturing has no effect on profit margins. 
D)  Rework tends to increase lead time and inventory levels maintained in a manufacturing company.

Question 8

Table 6.1
Factors for Calculating Three-Sigma Limits for the $\bar { X }$ -chart and R-chart
 $$\begin{array} { | c | c | c | c | } 
\hline \begin{array} { c } 
\text { Size of } \
\text { Sample } \
( n )
\end{array} & \begin{array} { c } 
\text { Factor for UCL } \
\text { and LCL for } X \text { - } \
\text { Charts } \
\left( A _ { 2 } \right)
\end{array} & \begin{array} { c } 
\text { Factor for } \
\text { LCL for } R \text { - } \
\text { Charts } \
\left( D _ { 2 } \right)
\end{array} & \begin{array} { c } 
\text { Factor for } \
\text { UCL for } R \text { - } \
\text { Charts } \
\left( D _ { 1 } \right)
\end{array} \
\hline 2 & 1.880 & 0 & 3.267 \
3 & 1.023 & 0 & 2.575 \
4 & 0.729 & 0 & 2.282 \
5 & 0.577 & 0 & 2.115 \
6 & 0.483 & 0 & 2.004 \
7 & 0.419 & 0.076 & 1.924 \
8 & 0.373 & 0.136 & 1.864 \
9 & 0.397 & 0.184 & 1.816 \
10 & 0.308 & 0.233 & 1.777 \
\hline
\end{array}$$ 
Source: 1950 Manual on Quality Control of Materials, copyright
American Society for Testing Materials. Reprinted with permission.
-A milling operation has historically produced an average thickness of 0.005 inch with an average range of 0.0015 inch.Currently,the first three items from each batch of 20 are inspected.Use Table 6.1.What is the value of the UCL $\bar { X }$ ?

Accepted Answer

A)  less than or equal to 0.00200 
B)  greater than 0.00200 but less than or equal to 0.00399 
C)  greater than 0.00399 but less than or equal to 0.00599 
D)  greater than 0.00599 
A)  less than or equal to 0.00200 
B)  greater than 0.00200 but less than or equal to 0.00399 
C)  greater than 0.00399 but less than or equal to 0.00599 
D)  greater than 0.00599

Question 9

Which of the following is NOT a variable measure of quality?

Accepted Answer

A)  proportion of late airline flights 
B)  weight of a cereal box 
C)  diameter of a bolt 
D)  length of a steel bar 
A)  proportion of late airline flights 
B)  weight of a cereal box 
C)  diameter of a bolt 
D)  length of a steel bar

Question 10

Which of the following statements is TRUE?

Accepted Answer

A)  If a process is in statistical control, assignable causes of variation should be sought. 
B)  If a process is in statistical control, there are no causes of variation. 
C)  If a process is out of statistical control, there are only assignable causes of variation. 
D)  When assignable causes of variation exist, the process generates different distributions of the quality characteristic over time. 
A)  If a process is in statistical control, assignable causes of variation should be sought. 
B)  If a process is in statistical control, there are no causes of variation. 
C)  If a process is out of statistical control, there are only assignable causes of variation. 
D)  When assignable causes of variation exist, the process generates different distributions of the quality characteristic over time.

Question 11

Identify and briefly describe the six different aspects of high-performance design.

Accepted Answer

220)Identify and bri

Question 12

Which of the following statements is NOT one of Deming's 14 points for improving quality?

Accepted Answer

A)  Create constancy of purpose toward improvement of product and service. 
B)  Cease dependence on inspection to achieve quality - build quality into the product. 
C)  Institute a vigorous program of education and self-improvement. 
D)  Focus the job tasks of workers by instituting barriers between departments. 
A)  Create constancy of purpose toward improvement of product and service. 
B)  Cease dependence on inspection to achieve quality - build quality into the product. 
C)  Institute a vigorous program of education and self-improvement. 
D)  Focus the job tasks of workers by instituting barriers between departments.

Question 13

The ________ is a cycle used by firms actively engaged in continuous improvement to train their work teams in problem solving.

Accepted Answer

plan-do-ch

Question 14

Statistical process control (SPC)uses statistical methods to monitor the quality of output from individual operations along a process.

Accepted Answer

A) True 
 B)False

Question 15

How can "quality be free"?

Accepted Answer

The costs of improving quality

Question 16

________ costs are associated with preventing defects before they happen.

Accepted Answer

The answer of ________ costs are associated with preventing defects...

Question 17

Historically,the average proportion of defective bars has been 0.015.Samples will be of 100 bars each.Construct a p-chart using z = 3.Suppose a sample had 0.04 defective.What would you do?

Accepted Answer

A)  Nothing; it appears to be random variation. 
B)  Look for assignable causes. 
C)  Change z to 2 and take another sample. 
D)  Change z to 4 and continue sampling. 
A)  Nothing; it appears to be random variation. 
B)  Look for assignable causes. 
C)  Change z to 2 and take another sample. 
D)  Change z to 4 and continue sampling.

Question 18

Historically,the average proportion of defective bars has been 0.015.Samples will be of 100 bars each.Construct a p-chart using z = 3.What is the value of UCL?

Accepted Answer

A)  less than or equal to 0.050 
B)  greater than 0.050 but less than or equal to 0.060 
C)  greater than 0.060 but less than or equal to 0.070 
D)  greater than 0.070 
A)  less than or equal to 0.050 
B)  greater than 0.050 but less than or equal to 0.060 
C)  greater than 0.060 but less than or equal to 0.070 
D)  greater than 0.070

Question 19

If the quality level is increased by taking steps to prevent defects before they happen,which one of the following statements is TRUE?

Accepted Answer

A)  Prevention costs increase. 
B)  Appraisal costs increase. 
C)  Internal failure costs increase. 
D)  External failure costs increase. 
A)  Prevention costs increase. 
B)  Appraisal costs increase. 
C)  Internal failure costs increase. 
D)  External failure costs increase.

Question 20

The concept of quality at the source means that

Accepted Answer

A)  if a defective item is discovered downstream in the process, it is returned for corrections to the worker who made it. 
B)  quality is the sole responsibility of the supplier. 
C)  inspectors are responsible for finding out who made the defect. 
D)  employees should not pass defective units to the next operation. 
A)  if a defective item is discovered downstream in the process, it is returned for corrections to the worker who made it. 
B)  quality is the sole responsibility of the supplier. 
C)  inspectors are responsible for finding out who made the defect. 
D)  employees should not pass defective units to the next operation.

Exam 6: Quality and Process Improvement

In applying quality control charts,a sample statistic that falls outside the UCL and LCL indicates the process is exhibiting common causes of variation.

________ costs arise when a defect is discovered after the customer has received the product or service.

Table 6.2 Observation Number Sample Number 1 2 3 4 5 1 10.1 10.6 9.8 9.9 10.9 2 9.7 9.5 10.3 9.9 10.5 3 10.1 10.7 9.2 10.0 10.1 4 9.9 9.8 10.5 10.4 10.1 5 10.4 10.1 10.9 9.9 10.3 -Using Table 6.2,for the Xˉ\bar { X }Xˉ -chart,what is the value of LCL Xˉ\bar { X }Xˉ ?

"Conformance to specifications" implies that

One way to achieve employee involvement is through the use of teams.

Deming argued that the vast majority of quality problems can be attributed to managers or the systems they put in place,not with the employees that must do their work according to these systems.

Which one of the following statements is TRUE?

Which of the following is NOT a variable measure of quality?

Which of the following statements is TRUE?

Identify and briefly describe the six different aspects of high-performance design.

Which of the following statements is NOT one of Deming's 14 points for improving quality?

The ________ is a cycle used by firms actively engaged in continuous improvement to train their work teams in problem solving.

Statistical process control (SPC)uses statistical methods to monitor the quality of output from individual operations along a process.

How can "quality be free"?

________ costs are associated with preventing defects before they happen.

Historically,the average proportion of defective bars has been 0.015.Samples will be of 100 bars each.Construct a p-chart using z = 3.Suppose a sample had 0.04 defective.What would you do?

Historically,the average proportion of defective bars has been 0.015.Samples will be of 100 bars each.Construct a p-chart using z = 3.What is the value of UCL?

If the quality level is increased by taking steps to prevent defects before they happen,which one of the following statements is TRUE?

The concept of quality at the source means that

Creating Customer Value through Operations

Supply Chain Management

Process Configuration

Capacity

Inventory Management

Lean Systems

Managing Projects

Location and Layout

Managing Demand and Forecasting

Operations Planning and Scheduling

Resource Planning

Decision Making

Financial Analysis

Work Measurement

Learning Curve Analysis

Computer-Integrated Manufacturing

Acceptance Sampling Plans

Simulation

Special Inventory Models

Linear Programming

Waiting Lines

Filters

Table 6.2 Observation Number Sample Number 1 2 3 4 5 1 10.1 10.6 9.8 9.9 10.9 2 9.7 9.5 10.3 9.9 10.5 3 10.1 10.7 9.2 10.0 10.1 4 9.9 9.8 10.5 10.4 10.1 5 10.4 10.1 10.9 9.9 10.3 -Using Table 6.2,for the $\bar { X }$ -chart,what is the value of LCL $\bar { X }$ ?