Question 1

Acceptance sampling:

Accepted Answer

A)  is the application of statistical techniques to the control of processes. 
B)  was developed by Walter Shewhart of Bell Laboratories. 
C)  is used to determine whether to accept or reject a lot of material based on the evaluation of a sample. 
D)  separates the natural and assignable causes of variation. 
E)  is another name for 100% inspection. 
A)  is the application of statistical techniques to the control of processes. 
B)  was developed by Walter Shewhart of Bell Laboratories. 
C)  is used to determine whether to accept or reject a lot of material based on the evaluation of a sample. 
D)  separates the natural and assignable causes of variation. 
E)  is another name for 100% inspection.

Question 2

________ is a process strategy based on a product-oriented production process that uses modules.

Accepted Answer

The answer of ________ is a process strategy based on...

Question 3

Identify the techniques for improving service productivity. For any two techniques, describe in a short paragraph, and include an example.

Accepted Answer

The seven techniques are separation, sel

Question 4

If μ = 9 ounces, σ = 0.5 ounces, and n = 9, calculate the 3-sigma control limits for the x-bar chart.

Accepted Answer

The answer of If μ = 9 ounces, σ =...

Question 5

Which of the following provides automatic placement and withdrawal of parts and products into and from designated places in a warehouse?

Accepted Answer

A)  AGV 
B)  CAD/CAM 
C)  CIM 
D)  ASRS 
E)  FMS 
A)  AGV 
B)  CAD/CAM 
C)  CIM 
D)  ASRS 
E)  FMS

Question 6

An acceptance sampling plan must define "good lots" and "bad lots" and specify the risk level associated with each one.

Accepted Answer

A) True 
 B)False

Question 7

Control charts for variables are based on data that come from:

Accepted Answer

A)  acceptance sampling. 
B)  individual items. 
C)  averages of small samples. 
D)  averages of large samples. 
E)  the entire lot. 
A)  acceptance sampling. 
B)  individual items. 
C)  averages of small samples. 
D)  averages of large samples. 
E)  the entire lot.

Question 8

Assignable variation:

Accepted Answer

A)  is a sign that a process is under control. 
B)  is to be identified and investigated. 
C)  is the same as random variation. 
D)  is variation that cannot be traced to a specific cause. 
E)  leads to a steep OC curve. 
A)  is a sign that a process is under control. 
B)  is to be identified and investigated. 
C)  is the same as random variation. 
D)  is variation that cannot be traced to a specific cause. 
E)  leads to a steep OC curve.

Question 9

If the Cpk value suggests a capable process, the Cp value for the same process will also suggest a capable process.

Accepted Answer

A) True 
 B)False

Question 10

In most acceptance sampling plans, when a lot is rejected, the entire lot is inspected and all defective items are replaced. When using this technique the AOQ:

Accepted Answer

A)  worsens (AOQ becomes a larger fraction). 
B)  improves (AOQ becomes a smaller fraction). 
C)  is not affected, but the AQL is improved. 
D)  is not affected. 
E)  falls to zero. 
A)  worsens (AOQ becomes a larger fraction). 
B)  improves (AOQ becomes a smaller fraction). 
C)  is not affected, but the AQL is improved. 
D)  is not affected. 
E)  falls to zero.

Question 11

What is the statistical process chart used to control the number of defects per unit of output?

Accepted Answer

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

Question 12

An acceptance sampling plan is to be designed to meet the organization's targets for product quality and risk levels. Which of the following is true?

Accepted Answer

A)  n and c determine the AQL. 
B)  AQL, LTPD, α and β collectively determine n and c. 
C)  n and c are determined from the values of AQL and LTPD. 
D)  α and β are determined from the values of AQL and LTPD. 
E)  None of these is true. 
A)  n and c determine the AQL. 
B)  AQL, LTPD, α and β collectively determine n and c. 
C)  n and c are determined from the values of AQL and LTPD. 
D)  α and β are determined from the values of AQL and LTPD. 
E)  None of these is true.

Question 13

Define consumer's risk. Is it a Type I or Type II error? What is the symbol for its value?

Accepted Answer

The consumer's risk is the pro

Question 14

A Type II error occurs when:

Accepted Answer

A)  a good lot is rejected. 
B)  a bad lot is accepted. 
C)  the population is worse than the LTPD. 
D)  the proportion of defectives is very small. 
E)  none of these 
A)  a good lot is rejected. 
B)  a bad lot is accepted. 
C)  the population is worse than the LTPD. 
D)  the proportion of defectives is very small. 
E)  none of these

Question 15

________ is a process analysis technique that focuses on the customer and the provider's interaction with the customer.

Accepted Answer

Service bl

Question 16

Process control is the use of information technology to monitor and control a physical process.

Accepted Answer

A) True 
 B)False

Question 17

What does it mean for a process to be "capable"?

Accepted Answer

Process capability refers to t

Question 18

Red Top Cab Company receives multiple complaints per day about driver behavior. Over 8 days the owner recorded the number of calls to be 3, 0, 8, 9, 6, 7, 9, and 8. What is the upper control limit for the 3-sigma c-chart?

Accepted Answer

A)  13.35 
B)  8.45 
C)  6.25 
D)  0.00 
E)  13.75 
A)  13.35 
B)  8.45 
C)  6.25 
D)  0.00 
E)  13.75

Question 19

A Type I error occurs when:

Accepted Answer

A)  a good lot is rejected. 
B)  a bad lot is accepted. 
C)  the number of defectives is very large. 
D)  the population is worse than the AQL. 
E)  none of these 
A)  a good lot is rejected. 
B)  a bad lot is accepted. 
C)  the number of defectives is very large. 
D)  the population is worse than the AQL. 
E)  none of these

Question 20

Average outgoing quality (AOQ) is determined by the true percentage defective of the lot, the acceptable quality level, the number of items in the lot, and the number of items in the sample.

Accepted Answer

A) True 
 B)False

Exam 7: Process Strategies

Acceptance sampling:

________ is a process strategy based on a product-oriented production process that uses modules.

Identify the techniques for improving service productivity. For any two techniques, describe in a short paragraph, and include an example.

If μ = 9 ounces, σ = 0.5 ounces, and n = 9, calculate the 3-sigma control limits for the x-bar chart.

Which of the following provides automatic placement and withdrawal of parts and products into and from designated places in a warehouse?

An acceptance sampling plan must define "good lots" and "bad lots" and specify the risk level associated with each one.

Control charts for variables are based on data that come from:

Assignable variation:

If the Cpk value suggests a capable process, the Cp value for the same process will also suggest a capable process.

In most acceptance sampling plans, when a lot is rejected, the entire lot is inspected and all defective items are replaced. When using this technique the AOQ:

What is the statistical process chart used to control the number of defects per unit of output?

An acceptance sampling plan is to be designed to meet the organization's targets for product quality and risk levels. Which of the following is true?

Define consumer's risk. Is it a Type I or Type II error? What is the symbol for its value?

A Type II error occurs when:

________ is a process analysis technique that focuses on the customer and the provider's interaction with the customer.

Process control is the use of information technology to monitor and control a physical process.

What does it mean for a process to be "capable"?

Red Top Cab Company receives multiple complaints per day about driver behavior. Over 8 days the owner recorded the number of calls to be 3, 0, 8, 9, 6, 7, 9, and 8. What is the upper control limit for the 3-sigma c-chart?

A Type I error occurs when:

Average outgoing quality (AOQ) is determined by the true percentage defective of the lot, the acceptable quality level, the number of items in the lot, and the number of items in the sample.

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

If the Cpk value suggests a capable process, the C_p value for the same process will also suggest a capable process.