Question 1

When a lot has been accepted by acceptance sampling, we know that:

Accepted Answer

A)  it has more defects than existed before the sampling. 
B)  it has had all its defects removed by 100% inspection. 
C)  it will have the same defect percentage as the LTPD. 
D)  it has no defects present. 
E)  All of these are false. 
A)  it has more defects than existed before the sampling. 
B)  it has had all its defects removed by 100% inspection. 
C)  it will have the same defect percentage as the LTPD. 
D)  it has no defects present. 
E)  All of these are false.

Question 2

A local manufacturer supplies you with parts, and you would like to install a quality monitoring system at his factory for these parts. Historically, the defect rate for these parts has been 1.25 percent (You've observed this from your acceptance sampling procedures, which you would like to discontinue). Develop ± 3σ control limits for this process. Assume the sample size will be 200 items.

Accepted Answer

p-bar is 0.0125; the standard error of t

Question 3

An organization's approach to transforming resources into goods and services is called its ________.

Accepted Answer

The answer of An organization's approach to transforming resources into...

Question 4

Which of the following products is likely to be assembled on a repetitive process line?

Accepted Answer

A)  automobiles 
B)  custom personal computers 
C)  custom cakes 
D)  steel 
E)  beer 
A)  automobiles 
B)  custom personal computers 
C)  custom cakes 
D)  steel 
E)  beer

Question 5

Provide an example of the focus strategy for improving service productivity.

Accepted Answer

The focus strategy refers to r

Question 6

Which of the following phrases best describes process focus?

Accepted Answer

A)  low volume, high variety 
B)  Finished goods are usually made to a forecast and stored. 
C)  Operators are less broadly skilled. 
D)  high fixed costs, low variable costs 
E)  low inventory 
A)  low volume, high variety 
B)  Finished goods are usually made to a forecast and stored. 
C)  Operators are less broadly skilled. 
D)  high fixed costs, low variable costs 
E)  low inventory

Question 7

According to the text, what is the most common choice of limits for control charts?

Accepted Answer

A)  ±1 standard deviation 
B)  ±2 standard deviations 
C)  ±3 standard deviations 
D)  ±3 standard deviations for means and ± 2 standard deviations for ranges 
E)  ±6 standard deviations 
A)  ±1 standard deviation 
B)  ±2 standard deviations 
C)  ±3 standard deviations 
D)  ±3 standard deviations for means and ± 2 standard deviations for ranges 
E)  ±6 standard deviations

Question 8

Advances in technology:

Accepted Answer

A)  have impacted the manufacturing sector only. 
B)  have had only a limited impact on services. 
C)  have failed to change the level of customer interaction with an organization. 
D)  have had a dramatic impact on customer interaction with services and with products. 
E)  have dramatically changed health care, but have not changed retailing. 
A)  have impacted the manufacturing sector only. 
B)  have had only a limited impact on services. 
C)  have failed to change the level of customer interaction with an organization. 
D)  have had a dramatic impact on customer interaction with services and with products. 
E)  have dramatically changed health care, but have not changed retailing.

Question 9

A run test is used:

Accepted Answer

A)  to examine variability in acceptance sampling plans. 
B)  in acceptance sampling to establish control. 
C)  to examine points in a control chart to check for natural variability. 
D)  to examine points in a control chart to check for nonrandom variability. 
E)  to test the validity of the Central Limit Theorem. 
A)  to examine variability in acceptance sampling plans. 
B)  in acceptance sampling to establish control. 
C)  to examine points in a control chart to check for natural variability. 
D)  to examine points in a control chart to check for nonrandom variability. 
E)  to test the validity of the Central Limit Theorem.

Question 10

An x-bar control chart was examined and no data points fell outside of the limits. Can this process be considered in control?

Accepted Answer

A)  Not yet, there could be a pattern to the points. 
B)  Not yet, the R-chart must be checked. 
C)  Not yet, the number of samples must be known. 
D)  Yes. 
E)  Both A and B 
A)  Not yet, there could be a pattern to the points. 
B)  Not yet, the R-chart must be checked. 
C)  Not yet, the number of samples must be known. 
D)  Yes. 
E)  Both A and B

Question 11

The ________ is the percentage defective in an average lot of goods inspected through acceptance sampling.

Accepted Answer

AOQ or ave

Question 12

Product-focused processes:

Accepted Answer

A)  allow more customization, but are not very efficient. 
B)  tend to have long, continuous production runs. 
C)  are processes that accommodate a variety of products or customer groups. 
D)  apply only to service firms, not to manufacturers. 
E)  are profitable because customers demand flexibility, not specialization. 
A)  allow more customization, but are not very efficient. 
B)  tend to have long, continuous production runs. 
C)  are processes that accommodate a variety of products or customer groups. 
D)  apply only to service firms, not to manufacturers. 
E)  are profitable because customers demand flexibility, not specialization.

Question 13

A small, independent amusement park collects data on the number of cars with out-of-state license plates. The sample size is fixed at n=100 each day. Data from the previous 10 days indicate the following number of out-of-state license plates:
   (a) Calculate the overall proportion of "tourists" (cars with out-of-state plates) and the standard deviation of proportions.
(b) Using ±3σ limits, calculate the LCL and UCL for these data.
(c) Is the process under control? Explain.

Accepted Answer

(a) p-bar is 66/1000 = 0.066; the standa

Question 14

Which of the following is TRUE?

Accepted Answer

A)  Service blueprinting focuses on the provider's interaction with its supplier. 
B)  The main purpose of flowcharts is to identify and eliminate waste. 
C)  Value-stream mapping is a variation of time-function mapping. 
D)  A process chart is a flowchart with time added on the horizontal axis. 
E)  Time-function mapping extends the value analysis back to suppliers. 
A)  Service blueprinting focuses on the provider's interaction with its supplier. 
B)  The main purpose of flowcharts is to identify and eliminate waste. 
C)  Value-stream mapping is a variation of time-function mapping. 
D)  A process chart is a flowchart with time added on the horizontal axis. 
E)  Time-function mapping extends the value analysis back to suppliers.

Question 15

Retinal security scanners and cashless payments are examples of technology's impact on services.

Accepted Answer

A) True 
 B)False

Question 16

In an affluent society, how do we produce a wide number of options for products at low cost?

Accepted Answer

For mass customization, products should

Question 17

An operating characteristics curve shows:

Accepted Answer

A)  upper and lower product specifications. 
B)  product quality under different manufacturing conditions. 
C)  how the probability of accepting a lot varies with the population percent defective. 
D)  when product specifications don't match process control limits. 
E)  how operations affect certain characteristics of a product. 
A)  upper and lower product specifications. 
B)  product quality under different manufacturing conditions. 
C)  how the probability of accepting a lot varies with the population percent defective. 
D)  when product specifications don't match process control limits. 
E)  how operations affect certain characteristics of a product.

Question 18

Which of the following is TRUE regarding the concept of flexibility?

Accepted Answer

A)  It is the ability to respond with little penalty in time, cost, or customer value. 
B)  It may be accomplished with digitally controlled equipment. 
C)  It may involve modular or movable equipment. 
D)  All of these are true. 
E)  None of these is true. 
A)  It is the ability to respond with little penalty in time, cost, or customer value. 
B)  It may be accomplished with digitally controlled equipment. 
C)  It may involve modular or movable equipment. 
D)  All of these are true. 
E)  None of these is true.

Question 19

When selecting new equipment and technology, decision makers look for flexibility-the ability to respond with little penalty in time, cost, or customer value.

Accepted Answer

A) True 
 B)False

Question 20

The number of late insurance claim payouts per 100 should be measured with what type of control chart?

Accepted Answer

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

Exam 7: Process Strategies

When a lot has been accepted by acceptance sampling, we know that:

An organization's approach to transforming resources into goods and services is called its ________.

Which of the following products is likely to be assembled on a repetitive process line?

Provide an example of the focus strategy for improving service productivity.

Which of the following phrases best describes process focus?

According to the text, what is the most common choice of limits for control charts?

Advances in technology:

A run test is used:

An x-bar control chart was examined and no data points fell outside of the limits. Can this process be considered in control?

The ________ is the percentage defective in an average lot of goods inspected through acceptance sampling.

Product-focused processes:

Which of the following is TRUE?

Retinal security scanners and cashless payments are examples of technology's impact on services.

In an affluent society, how do we produce a wide number of options for products at low cost?

An operating characteristics curve shows:

Which of the following is TRUE regarding the concept of flexibility?

When selecting new equipment and technology, decision makers look for flexibility-the ability to respond with little penalty in time, cost, or customer value.

The number of late insurance claim payouts per 100 should be measured with what type of control chart?

Operations and Productivity

Operations Strategy in a Global Environment

Project Management

Forecasting

Design of Goods and Services

Managing Quality

Location Strategies

Human Resources, Job Design, and Work Measurement

Supply Chain Management

Inventory Management

Aggregate Planning and Sop

Material Requirements Planning Mrp and Erp

Short-Term Scheduling

Lean Operations

Maintenance and Reliability

Decision-Making Tools

Linear Programming

Transportation Models

Waiting-Line Models

Learning Curves

Simulation

Applying Analytics to Big Data in Operations Management

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