Question 1

Acceptance sampling plans might call for selection of:

Accepted Answer

A)  a single sample. 
B)  two samples. 
C)  several samples. 
D)  all of the choices. 
E)  none of the choices. 
A)  a single sample. 
B)  two samples. 
C)  several samples. 
D)  all of the choices. 
E)  none of the choices.

Question 2

The AQL indicates:

Accepted Answer

A)  acceptable quality level. 
B)  average quality level. 
C)  actual quality level. 
D)  aggregate quality level. 
E)  approximate quality level. 
A)  acceptable quality level. 
B)  average quality level. 
C)  actual quality level. 
D)  aggregate quality level. 
E)  approximate quality level.

Question 3

The terms "consumer's risk" and "alpha risk" both refer to a Type I error.

Accepted Answer

A) True 
 B)False

Question 4

The Quality Manager for Widgets,Inc.is concerned about the quality of the lot of several thousand widgets which his company produced this week and is now ready to ship.If he uses an acceptance sampling plan of n = 8 and c = 1,what is the probability that,if this lot is 10% defective,it will be accepted for shipment without inspection?

Accepted Answer

A)  .9619 
B)  .9428 
C)  .8131 
D)  .4305 
E)  .1869 
A)  .9619 
B)  .9428 
C)  .8131 
D)  .4305 
E)  .1869

Question 5

The AOQ shows:

Accepted Answer

A)  the maximum quality. 
B)  how well a sampling plan can discriminate between good and bad lots. 
C)  the actual quality level. 
D)  "good" quality. 
E)  none of the choices. 
A)  the maximum quality. 
B)  how well a sampling plan can discriminate between good and bad lots. 
C)  the actual quality level. 
D)  "good" quality. 
E)  none of the choices.

Question 6

The Quality Manager for Microelectronics,Inc.is concerned about the quality of the batch of several thousand IC's (integrated circuits)which his company is about to ship.If,based on his acceptance sample,he decides to ship this batch without inspection,which type error would be possible?

Accepted Answer

A)  None would be possible 
B)  Producer's error 
C)  Type I error 
D)  Type II error 
E)  Both Type I and Type II error 
A)  None would be possible 
B)  Producer's error 
C)  Type I error 
D)  Type II error 
E)  Both Type I and Type II error

Question 7

An OC curve shows:

Accepted Answer

A)  average outgoing quality. 
B)  the average outgoing quality limit. 
C)  out of control criteria. 
D)  operating control. 
E)  probability of acceptance versus lot quality. 
A)  average outgoing quality. 
B)  the average outgoing quality limit. 
C)  out of control criteria. 
D)  operating control. 
E)  probability of acceptance versus lot quality.

Question 8

The Quality Manager for Widgets,Inc.is concerned about the quality of the lot of several thousand widgets which his company produced this week and is now ready to ship.If he uses an acceptance sampling plan of n = 8 and c = 1,what is the probability that,if this lot is 15% defective,it will be rejected and completely inspected prior to shipment?

Accepted Answer

A)  .8948 
B)  .8131 
C)  .6572 
D)  .5033 
E)  .3428 
A)  .8948 
B)  .8131 
C)  .6572 
D)  .5033 
E)  .3428

Question 9

Given the following acceptance sampling data for a lot of several thousand units of a finished good:
   What is the point of indifference between 100 percent inspection or shipment without inspection?

Accepted Answer

The answer of Given the following acceptance sampling data for...

Question 10

A Quality Inspector for Alpha-Beta Co.is concerned about the quality of the batch of several thousand Gizmos which his company produced this week and is preparing to ship.If he uses an acceptance sampling plan of n = 5 and c = 2,what will be the average outgoing quality (AOQ)for batches with 40% defectives?

Accepted Answer

A)  0.1270 
B)  0.2730 
C)  0.3174 
D)  0.6826 
E)  0.7270 
A)  0.1270 
B)  0.2730 
C)  0.3174 
D)  0.6826 
E)  0.7270

Question 11

Acceptance sampling procedures can be applied to both attribute and variable inspection.

Accepted Answer

A) True 
 B)False

Question 12

In a single-sampling plan,the entire lot,or batch of items,is accepted or rejected based upon only one specified sized sample.

Accepted Answer

A) True 
 B)False

Question 13

Shipments of bowling balls are sampled before delivery to a warehouse.Lots of 600 balls are checked,using 10 observations from each lot.Any lot with more than one defective is rejected.Calculate values for the operating characteristic curve for this sampling plan.

Accepted Answer

The answer of Shipments of bowling balls are sampled before...

Question 14

The cost and time required for inspection dictate the type of sampling plan used.

Accepted Answer

A) True 
 B)False

Question 15

The purpose of acceptance sampling is to decide whether a batch of items satisfies predetermined standards.

Accepted Answer

A) True 
 B)False

Question 16

Acceptance sampling is applied to batches of items during the production process.

Accepted Answer

A) True 
 B)False

Question 17

Acceptance sampling is a form of inspection applied to items that are part of an ongoing process.

Accepted Answer

A) True 
 B)False

Question 18

Inspection that occurs during the production process is known as acceptance sampling.

Accepted Answer

A) True 
 B)False

Question 19

Given the following acceptance sampling data for a lot of several thousand units of a finished good:
   If c = 2,what is the probability that,if this lot were 5% defective,it would be accepted for shipment without inspection?
 10% defective?
 15%?
 20%?

Accepted Answer

.9245; .67

Question 20

A Quality Inspector for Alpha-Beta Co.is concerned about the quality of the batch of several thousand Gizmos which his company produced this week and is preparing to ship.If,based on his acceptance sample,he decides to ship this batch without inspection,which type of error would be possible?

Accepted Answer

A)  None would be possible 
B)  Producer's error 
C)  Type I error 
D)  Type II error 
E)  Both Type I and Type II error 
A)  None would be possible 
B)  Producer's error 
C)  Type I error 
D)  Type II error 
E)  Both Type I and Type II error

Exam 10: B: Statistical Quality Control

Acceptance sampling plans might call for selection of:

The AQL indicates:

The terms "consumer's risk" and "alpha risk" both refer to a Type I error.

The AOQ shows:

The Quality Manager for Microelectronics,Inc.is concerned about the quality of the batch of several thousand IC's (integrated circuits)which his company is about to ship.If,based on his acceptance sample,he decides to ship this batch without inspection,which type error would be possible?

An OC curve shows:

Given the following acceptance sampling data for a lot of several thousand units of a finished good: What is the point of indifference between 100 percent inspection or shipment without inspection?

Acceptance sampling procedures can be applied to both attribute and variable inspection.

In a single-sampling plan,the entire lot,or batch of items,is accepted or rejected based upon only one specified sized sample.

Shipments of bowling balls are sampled before delivery to a warehouse.Lots of 600 balls are checked,using 10 observations from each lot.Any lot with more than one defective is rejected.Calculate values for the operating characteristic curve for this sampling plan.

The cost and time required for inspection dictate the type of sampling plan used.

The purpose of acceptance sampling is to decide whether a batch of items satisfies predetermined standards.

Acceptance sampling is applied to batches of items during the production process.

Acceptance sampling is a form of inspection applied to items that are part of an ongoing process.

Inspection that occurs during the production process is known as acceptance sampling.

Given the following acceptance sampling data for a lot of several thousand units of a finished good: If c = 2,what is the probability that,if this lot were 5% defective,it would be accepted for shipment without inspection? 10% defective? 15%? 20%?

A Quality Inspector for Alpha-Beta Co.is concerned about the quality of the batch of several thousand Gizmos which his company produced this week and is preparing to ship.If,based on his acceptance sample,he decides to ship this batch without inspection,which type of error would be possible?

Introduction to Operations Management

Competitiveness, Strategic Planning, and Productivity

Demand Forecasting

A: Product Design

B: Product Design

A: Strategic Capacity Planning

B: Strategic Capacity Planning

A: Process Design and Facility Layout

B: Process Design and Facility Layout

A: Design of Work Systems

B: Design of Work Systems

A: Location Planning and Analysis

B: Location Planning and Analysis

Management of Quality

A: Statistical Quality Control

Supply Chain Management

Inventory Management

Aggregate Operations Planning

Material Requirements Planning and Enterprise Resource Planning

A: Just-In-Time and Lean Production

B: Just-In-Time and Lean Production

Job and Staff Scheduling

Project Management

A: Waiting-Line Analysis

B: Waiting-Line Analysis

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