Question 1

A control chart is a time-ordered diagram that is used to determine whether observed variations are abnormal.

Accepted Answer

A) True 
 B)False

Question 2

The upper and lower specification limits for a component are 5.20,and 5.30 ounces,respectively.The process standard deviation is .05,and the process average is 5.24 ounces.Is this process capable?

Accepted Answer

Solution:
 \[\begin{array} { l } 
C _ {

Question 3

________ teams address issues of paramount concern to management,labor,or both.

Accepted Answer

The answer of ________ teams address issues of paramount concern...

Question 4

A measure of the dispersion of observations in a process distribution is called a(n)

Accepted Answer

A)  average. 
B)  range. 
C)  shape. 
D)  specification. 
A)  average. 
B)  range. 
C)  shape. 
D)  specification.

Question 5

A telephone customer service center has experienced several problems.They have begun to analyze the data from customer complaints.Their first step was to construct the table below.
 $$\begin{array} { l c } 
\ { \text { Problem Type } } & \text { Total } \
\hline \text { Person not available } & 5 \
\text { Incorrect information given } & 12 \
 \text { Phone line busy } & 7 \
\text { Long delay } & 39 \
\text { Phone tree confusing } & 20 \
\text { People friendly } & 17
\end{array}$$ 
Use this data to build a Pareto chart to help identify the "vital few" problems.

Accepted Answer

The answer of A telephone customer service center has experienced...

Question 6

________ of variation include any variation-causing factors that can be identified and eliminated.

Accepted Answer

The answer of ________ of variation include any variation-causing factors...

Question 7

Which one of the following statements relating to quality is TRUE?

Accepted Answer

A)  Sampling procedures based on measurement by variables should be used when quality specifications are complex. 
B)  A distribution of sample means has more variance than the process distribution itself. 
C)  The distribution of sample means can be approximated by the normal distribution. 
D)  Sampling is a better approach (than 100 percent inspection) when the cost of accepting a defective item is very high. 
A)  Sampling procedures based on measurement by variables should be used when quality specifications are complex. 
B)  A distribution of sample means has more variance than the process distribution itself. 
C)  The distribution of sample means can be approximated by the normal distribution. 
D)  Sampling is a better approach (than 100 percent inspection) when the cost of accepting a defective item is very high.

Question 8

Common causes of variation are the purely random,unidentifiable sources of variation that are unavoidable with the current process.

Accepted Answer

A) True 
 B)False

Question 9

A hotel tracks the number of complaints per month.When the process is in control,there is an average of 35 complaints per month.Assume that a 2-sigma control limit is used.The next four months have 33,27,29,and 43 complaints.What should management do?

Accepted Answer

A)  Look for assignable causes because the process is in control. 
B)  Look for assignable causes because the process is out of control. 
C)  Look for common causes because the process is out of control. 
D)  Do nothing; the process is in control. 
A)  Look for assignable causes because the process is in control. 
B)  Look for assignable causes because the process is out of control. 
C)  Look for common causes because the process is out of control. 
D)  Do nothing; the process is in control.

Question 10

Process capability measures the ability of the process to meet the ________ for a product or service.

Accepted Answer

design spe

Question 11

A product has five major components with individual reliabilities of 0.95,0.98,0.97,0.98,and 0.99.What is the reliability of the product?

Accepted Answer

A)  less than or equal to 0.80 
B)  greater than 0.80 but less than or equal to 0.85 
C)  greater than 0.85 but less than or equal to 0.90 
D)  greater then 0.95 
A)  less than or equal to 0.80 
B)  greater than 0.80 but less than or equal to 0.85 
C)  greater than 0.85 but less than or equal to 0.90 
D)  greater then 0.95

Question 12

The most thorough approach to inspection is to inspect each product or service at each stage of the process for quality; this is called ________.

Accepted Answer

The answer of The most thorough approach to inspection is...

Question 13

The upper limit and lower specifications for a service are 5.0 min.and 3.0 min.,respectively.The process standard deviation is 0.4 min.and the process average is 4.0 min.What conclusion can be drawn?

Accepted Answer

A)  The process is capable. 
B)  No out-of-spec. services will be performed. 
C)  The process is not capable. 
D)  The specifications should be changed to 4.2 and 3.8 respectively. 
A)  The process is capable. 
B)  No out-of-spec. services will be performed. 
C)  The process is not capable. 
D)  The specifications should be changed to 4.2 and 3.8 respectively.

Question 14

Judging service quality on the basis of how a service provider is dressed and how courteous and friendly they are is considered

Accepted Answer

A)  supplemental features. 
B)  reliability. 
C)  psychological impressions. 
D)  durability. 
A)  supplemental features. 
B)  reliability. 
C)  psychological impressions. 
D)  durability.

Question 15

Purely random,unidentifiable sources of variation that are unavoidable with an existing process make it impossible to apply statistical process control techniques.

Accepted Answer

A) True 
 B)False

Question 16

Self-managed teams essentially change the way work is organized because employees have control over their jobs.

Accepted Answer

A) True 
 B)False

Question 17

Continuous improvement is based on the Japanese concept called Kaizen.

Accepted Answer

A) True 
 B)False

Question 18

One part of the sampling plan specifies the time between successive samples.

Accepted Answer

A) True 
 B)False

Question 19

Which one of the following statements about TQM is FALSE?

Accepted Answer

A)  Quality is a responsibility to be shared by the entire organization, especially the workers who actually make the product or service. 
B)  TQM programs generally result in an increase in quality inspectors so that no defects are passed along to the customer. 
C)  In TQM, everyone in the organization must share the view that quality is an end in itself. 
D)  In TQM, quality consistency has a higher priority than the level of output. 
A)  Quality is a responsibility to be shared by the entire organization, especially the workers who actually make the product or service. 
B)  TQM programs generally result in an increase in quality inspectors so that no defects are passed along to the customer. 
C)  In TQM, everyone in the organization must share the view that quality is an end in itself. 
D)  In TQM, quality consistency has a higher priority than the level of output.

Question 20

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.
-Historically,the average diameter of the holes drilled has been 0.25 cm and the average range has been 0.1 cm.Determine the central line and upper and lower control limits for an $\bar { X }$ - and an R-chart,assuming samples of size 8 will be taken.Use Table 6.1.For the $\bar { X }$ -chart,what is the value of the LCL $\bar { X }$ ?

Accepted Answer

A)  less than or equal to 0.10 
B)  greater than 0.10 but less than or equal to 0.19 
C)  greater than 0.19 but less than or equal to 0.29 
D)  greater than 0.29 
A)  less than or equal to 0.10 
B)  greater than 0.10 but less than or equal to 0.19 
C)  greater than 0.19 but less than or equal to 0.29 
D)  greater than 0.29

A control chart is a time-ordered diagram that is used to determine whether observed variations are abnormal.

The upper and lower specification limits for a component are 5.20,and 5.30 ounces,respectively.The process standard deviation is .05,and the process average is 5.24 ounces.Is this process capable?

________ teams address issues of paramount concern to management,labor,or both.

A measure of the dispersion of observations in a process distribution is called a(n)

________ of variation include any variation-causing factors that can be identified and eliminated.

Which one of the following statements relating to quality is TRUE?

Common causes of variation are the purely random,unidentifiable sources of variation that are unavoidable with the current process.

A hotel tracks the number of complaints per month.When the process is in control,there is an average of 35 complaints per month.Assume that a 2-sigma control limit is used.The next four months have 33,27,29,and 43 complaints.What should management do?

Process capability measures the ability of the process to meet the ________ for a product or service.

A product has five major components with individual reliabilities of 0.95,0.98,0.97,0.98,and 0.99.What is the reliability of the product?

The most thorough approach to inspection is to inspect each product or service at each stage of the process for quality; this is called ________.

The upper limit and lower specifications for a service are 5.0 min.and 3.0 min.,respectively.The process standard deviation is 0.4 min.and the process average is 4.0 min.What conclusion can be drawn?

Judging service quality on the basis of how a service provider is dressed and how courteous and friendly they are is considered

Purely random,unidentifiable sources of variation that are unavoidable with an existing process make it impossible to apply statistical process control techniques.

Self-managed teams essentially change the way work is organized because employees have control over their jobs.

Continuous improvement is based on the Japanese concept called Kaizen.

One part of the sampling plan specifies the time between successive samples.

Which one of the following statements about TQM is FALSE?

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

Exam 6: Quality and Process Improvement

A control chart is a time-ordered diagram that is used to determine whether observed variations are abnormal.

The upper and lower specification limits for a component are 5.20,and 5.30 ounces,respectively.The process standard deviation is .05,and the process average is 5.24 ounces.Is this process capable?

________ teams address issues of paramount concern to management,labor,or both.

A measure of the dispersion of observations in a process distribution is called a(n)

________ of variation include any variation-causing factors that can be identified and eliminated.

Which one of the following statements relating to quality is TRUE?

Common causes of variation are the purely random,unidentifiable sources of variation that are unavoidable with the current process.

A hotel tracks the number of complaints per month.When the process is in control,there is an average of 35 complaints per month.Assume that a 2-sigma control limit is used.The next four months have 33,27,29,and 43 complaints.What should management do?

Process capability measures the ability of the process to meet the ________ for a product or service.

A product has five major components with individual reliabilities of 0.95,0.98,0.97,0.98,and 0.99.What is the reliability of the product?

The most thorough approach to inspection is to inspect each product or service at each stage of the process for quality; this is called ________.

The upper limit and lower specifications for a service are 5.0 min.and 3.0 min.,respectively.The process standard deviation is 0.4 min.and the process average is 4.0 min.What conclusion can be drawn?

Judging service quality on the basis of how a service provider is dressed and how courteous and friendly they are is considered

Purely random,unidentifiable sources of variation that are unavoidable with an existing process make it impossible to apply statistical process control techniques.

Self-managed teams essentially change the way work is organized because employees have control over their jobs.

Continuous improvement is based on the Japanese concept called Kaizen.

One part of the sampling plan specifies the time between successive samples.

Which one of the following statements about TQM is FALSE?

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