Question 1

Plots of sample ranges indicate that the most recent value is below the lower control limit. What course of action would you recommend?

Accepted Answer

A)  Since there is no obvious pattern in the measurements, variability is in control. 
B)  One value outside the control limits is insufficient to warrant any action. 
C)  Lower than expected dispersion is a desirable condition; there is no reason to investigate. 
D)  The process is out of control; reject the last units produced. 
E)  Variation is not in control; investigate what created this condition. 
A)  Since there is no obvious pattern in the measurements, variability is in control. 
B)  One value outside the control limits is insufficient to warrant any action. 
C)  Lower than expected dispersion is a desirable condition; there is no reason to investigate. 
D)  The process is out of control; reject the last units produced. 
E)  Variation is not in control; investigate what created this condition.

Question 2

Which of the following is TRUE of a p-chart?

Accepted Answer

A)  The lower control limit is found by subtracting a fraction from the average number of defects. 
B)  The lower control limit indicates the minimum acceptable number of defects. 
C)  The lower control limit equals D3 times p-bar. 
D)  The lower control limit may be at zero. 
E)  The lower control limit is the same as the lot tolerance percent defective. 
A)  The lower control limit is found by subtracting a fraction from the average number of defects. 
B)  The lower control limit indicates the minimum acceptable number of defects. 
C)  The lower control limit equals D3 times p-bar. 
D)  The lower control limit may be at zero. 
E)  The lower control limit is the same as the lot tolerance percent defective.

Question 3

The strategy for improving service productivity that customizes at delivery, rather than at production, is ________.

Accepted Answer

The answer of The strategy for improving service productivity that...

Question 4

The usual purpose of an R-chart is to signal whether there has been a:

Accepted Answer

A)  gain or loss in dispersion. 
B)  change in the percent defective in a sample. 
C)  change in the central tendency of the process output. 
D)  change in the number of defects in a sample. 
E)  change in the consumer's risk. 
A)  gain or loss in dispersion. 
B)  change in the percent defective in a sample. 
C)  change in the central tendency of the process output. 
D)  change in the number of defects in a sample. 
E)  change in the consumer's risk.

Question 5

A production process with only natural causes of variation is always capable of producing within the limits.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is TRUE regarding the relationship between AOQ and the true population percent defective?

Accepted Answer

A)  AOQ is greater than the true percent defective. 
B)  AOQ is the same as the true percent defective. 
C)  AOQ is less than the true percent defective. 
D)  There is no relationship between AOQ and the true percent defective. 
E)  The relationship between these two cannot be determined. 
A)  AOQ is greater than the true percent defective. 
B)  AOQ is the same as the true percent defective. 
C)  AOQ is less than the true percent defective. 
D)  There is no relationship between AOQ and the true percent defective. 
E)  The relationship between these two cannot be determined.

Question 7

What is a drawing of the movement of material, product, or people?

Accepted Answer

A)  flowchart 
B)  process chart 
C)  service blueprint 
D)  process map 
E)  vision system 
A)  flowchart 
B)  process chart 
C)  service blueprint 
D)  process map 
E)  vision system

Question 8

Which of the following companies use a mass customization approach?

Accepted Answer

A)  Dell 
B)  Align Technology 
C)  Frito-Lay 
D)  Arnold Palmer hospital 
E)  A and B 
A)  Dell 
B)  Align Technology 
C)  Frito-Lay 
D)  Arnold Palmer hospital 
E)  A and B

Question 9

What is the AOQ of an acceptance sampling plan?

Accepted Answer

The AOQ is the average outgoin

Question 10

Ten samples of a process measuring the number of returns per 200 receipts were taken for a local retail store. The number of returns were 10, 9, 11, 7, 3, 12, 8, 4, 6, and 11. Find the standard deviation of the sampling distribution for the p-bar chart.

Accepted Answer

A)  There is not enough information to answer the question. 
B)  .081 
C)  .0405 
D)  .0273 
E)  .0139 
A)  There is not enough information to answer the question. 
B)  .081 
C)  .0405 
D)  .0273 
E)  .0139

Question 11

Which of the following are all strategies for improving productivity in services?

Accepted Answer

A)  separation, self-service, automation, and scheduling 
B)  lean production, strategy-driven investments, automation, and process focus 
C)  reduce inventory, reduce waste, reduce inspection, and reduce rework 
D)  high interaction, mass customization, service factory, and just-in-time 
E)  process focus, repetitive focus, product focus, and mass customization focus 
A)  separation, self-service, automation, and scheduling 
B)  lean production, strategy-driven investments, automation, and process focus 
C)  reduce inventory, reduce waste, reduce inspection, and reduce rework 
D)  high interaction, mass customization, service factory, and just-in-time 
E)  process focus, repetitive focus, product focus, and mass customization focus

Question 12

A firm's process strategy is its approach to transforming resources into goods and services.

Accepted Answer

A) True 
 B)False

Question 13

What is the link between focused processes and specialization? What kinds of focus are possible?

Accepted Answer

Focused processes are a means of obtaini

Question 14

Acceptance sampling's primary purpose is to:

Accepted Answer

A)  estimate process quality. 
B)  identify processes that are out of control. 
C)  detect and eliminate defectives. 
D)  decide if a lot meets predetermined standards. 
E)  determine whether defective items found in sampling should be replaced. 
A)  estimate process quality. 
B)  identify processes that are out of control. 
C)  detect and eliminate defectives. 
D)  decide if a lot meets predetermined standards. 
E)  determine whether defective items found in sampling should be replaced.

Question 15

Identify nine areas of technology that enhance production and productivity.

Accepted Answer

(1) machine technology, (2) automatic id

Question 16

A firm is about to undertake the manufacture of a product, and it is weighing the process configuration options. There are two intermittent processes under consideration, as well as a repetitive focus. The smaller intermittent process has fixed costs of $4,300 per month and variable costs of $9 per unit. The larger intermittent process has fixed costs of $12,000 per month and variable costs of $2 per unit. A repetitive focus plant has fixed costs of $30,000 per month and variable costs of $0.80 per unit.
(a) At what output does the large intermittent process become cheaper than the small one?
(b) At what output does the repetitive process become cheaper than the larger intermittent process?

Accepted Answer

(a) at 1100 units, the large j

Question 17

The ________-chart is the chief way to control attributes.

Accepted Answer

The answer of The ________-chart is the chief way to...

Question 18

The probability of rejecting a good lot is known as producer's risk.

Accepted Answer

A) True 
 B)False

Question 19

Jus de Fruit Co. has set up for automated production of its new bottled Triple Berry Colada. Five samples were taken during the first week of production. The OM team wants to monitor the dispersion of the process. What chart should they use? Is the process in control?

Accepted Answer

A)  x-bar chart; Yes 
B)  x-bar chart; No 
C)  R-chart; Yes 
D)  R-chart; No 
E)  p-chart; Yes 
A)  x-bar chart; Yes 
B)  x-bar chart; No 
C)  R-chart; Yes 
D)  R-chart; No 
E)  p-chart; Yes

Question 20

If a sample of items is taken and the mean of the sample is outside the control limits, the process is:

Accepted Answer

A)  likely out of control and the cause should be investigated. 
B)  in control, but not capable of producing within the established control limits. 
C)  within the established control limits with only natural causes of variation. 
D)  monitored closely to see if the next sample mean will also fall outside the control limits. 
E)  producing high quality products. 
A)  likely out of control and the cause should be investigated. 
B)  in control, but not capable of producing within the established control limits. 
C)  within the established control limits with only natural causes of variation. 
D)  monitored closely to see if the next sample mean will also fall outside the control limits. 
E)  producing high quality products.

Exam 7: Process Strategies

Plots of sample ranges indicate that the most recent value is below the lower control limit. What course of action would you recommend?

Which of the following is TRUE of a p-chart?

The strategy for improving service productivity that customizes at delivery, rather than at production, is ________.

The usual purpose of an R-chart is to signal whether there has been a:

A production process with only natural causes of variation is always capable of producing within the limits.

Which of the following is TRUE regarding the relationship between AOQ and the true population percent defective?

What is a drawing of the movement of material, product, or people?

Which of the following companies use a mass customization approach?

What is the AOQ of an acceptance sampling plan?

Ten samples of a process measuring the number of returns per 200 receipts were taken for a local retail store. The number of returns were 10, 9, 11, 7, 3, 12, 8, 4, 6, and 11. Find the standard deviation of the sampling distribution for the p-bar chart.

Which of the following are all strategies for improving productivity in services?

A firm's process strategy is its approach to transforming resources into goods and services.

What is the link between focused processes and specialization? What kinds of focus are possible?

Acceptance sampling's primary purpose is to:

Identify nine areas of technology that enhance production and productivity.

The ________-chart is the chief way to control attributes.

The probability of rejecting a good lot is known as producer's risk.

Jus de Fruit Co. has set up for automated production of its new bottled Triple Berry Colada. Five samples were taken during the first week of production. The OM team wants to monitor the dispersion of the process. What chart should they use? Is the process in control?

If a sample of items is taken and the mean of the sample is outside the control limits, the process is:

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

Filters