Question 1

Data marts are usually larger than data warehouses.

Accepted Answer

A) True 
 B)False

Question 2

Reporting systems improve decision making by ________.

Accepted Answer

A)   providing the right information to the right user at the right time
B)   discovering patterns and relationships in data to predict future outcomes
C)   fostering innovation and improving customer service
D)   encoding, saving, and processing expert knowledge

Question 3

________ is information containing patterns,relationships,and trends.

Accepted Answer

A)   Technical writing
B)   Raw data
C)   Business intelligence
D)   Internal communication

Question 4

Explain the characteristics and advantages of data mining systems.

Accepted Answer

Data mining systems process data using sophisticated statistical techniques,such as regression analysis and decision tree analysis.Data mining systems find patterns and relationships that cannot be found by simpler reporting operations,such as sorting,grouping,and averaging.Data mining systems improve decision making by using the discovered patterns and relationships to anticipate events or to predict future outcomes.
Market-basket analysis is a data mining system,which computes correlations of items on past orders to determine items that are frequently purchased together.

Question 5

One ________ is equal to 10¹⁸ bytes

Accepted Answer

A)   megabyte
B)   gigabyte
C)   exabyte
D)   terabyte

Question 6

Which term is used as a synonym for data mining?

Accepted Answer

A)   OLAP
B)   neural networks
C)   market-basket analysis
D)   knowledge discovery in databases

Question 7

Which of the following is a common unsupervised data-mining technique?

Accepted Answer

A)   cluster analysis
B)   regression analysis
C)   neural networking
D)   market-basket analysis

Question 8

With unsupervised data mining,analysts do not create a model or hypothesis before running the analysis.

Accepted Answer

A) True 
 B)False  True

Question 9

Data from social networking and user-generated content applications are likely be more accurate than purchased data.

Accepted Answer

A) True 
 B)False

Question 10

________ are comparable to distributors in a supply chain because they take data from the data manufacturers,clean and process the data,and locate the data on the disks of its computers.

Accepted Answer

A)   Database servers
B)   Data marts
C)   Data warehouses
D)   Data harvesters

Question 11

Market-basket analysis is a data mining system.

Accepted Answer

A) True 
 B)False

Question 12

How many bytes make up 1 gigabyte?

Accepted Answer

A)   10⁹
B)   10¹²
C)   10¹⁵
D)   10¹⁸ A

Question 13

A typical low-resolution photograph is equal to 1 terabyte.

Accepted Answer

A) True 
 B)False

Question 14

Explain the curse of dimensionality.

Accepted Answer

The curse of dimensionality is associate...

Question 15

Reporting systems compute correlations of items on past orders in order to determine items that were frequently purchased together.

Accepted Answer

A) True 
 B)False

Question 16

Data granularity refers to the degree of detail of the data.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following data-mining techniques is used to predict values and make classifications,such as "good prospect" or "poor prospect" customers?

Accepted Answer

A)   cluster analysis
B)   neural networks
C)   market basket analysis
D)   regression analysis

Question 18

If Patient_Temperature > 103,Then Initiate High_Fever-Procedure.This sort of a rule is most likely to be found in a(n) ________ system.

Accepted Answer

A)   expert
B)   knowledge management
C)   operational
D)   reporting

Question 19

Expert systems encapsulate the knowledge of human experts in the form of If/Then rules.

Accepted Answer

A) True 
 B)False

Question 20

Data that are critical for successful operations must be complete and accurate,however data that are only marginally necessary do not need to be.

Accepted Answer

A) True 
 B)False

Exam 9: Business Intelligence and Information Systems for Decision Making

Data marts are usually larger than data warehouses.

Correct Answer
verified

Reporting systems improve decision making by ________.

Correct Answer
verified

________ is information containing patterns,relationships,and trends.

Correct Answer
verified

Explain the characteristics and advantages of data mining systems.

One ________ is equal to 10¹⁸ bytes

Correct Answer
verified

Which term is used as a synonym for data mining?

Correct Answer
verified

Which of the following is a common unsupervised data-mining technique?

Correct Answer
verified

With unsupervised data mining,analysts do not create a model or hypothesis before running the analysis.

Correct Answer
verified
True

Data from social networking and user-generated content applications are likely be more accurate than purchased data.

Correct Answer
verified

________ are comparable to distributors in a supply chain because they take data from the data manufacturers,clean and process the data,and locate the data on the disks of its computers.

Correct Answer
verified

Market-basket analysis is a data mining system.

Correct Answer
verified

How many bytes make up 1 gigabyte?

Correct Answer
verified
A

A typical low-resolution photograph is equal to 1 terabyte.

Correct Answer
verified

Explain the curse of dimensionality.

Correct Answer
verified
The curse of dimensionality is associate...
View Answer

Reporting systems compute correlations of items on past orders in order to determine items that were frequently purchased together.

Correct Answer
verified

Data granularity refers to the degree of detail of the data.

Correct Answer
verified

Which of the following data-mining techniques is used to predict values and make classifications,such as "good prospect" or "poor prospect" customers?

Correct Answer
verified

If Patient_Temperature > 103,Then Initiate High_Fever-Procedure.This sort of a rule is most likely to be found in a(n) ________ system.

Correct Answer
verified

Expert systems encapsulate the knowledge of human experts in the form of If/Then rules.

Correct Answer
verified

Data that are critical for successful operations must be complete and accurate,however data that are only marginally necessary do not need to be.

Correct Answer
verified

Exam 9: Business Intelligence and Information Systems for Decision Making

Data marts are usually larger than data warehouses.

Correct AnswerverifiedShow Answer

Reporting systems improve decision making by ________.

Correct AnswerverifiedShow Answer

________ is information containing patterns,relationships,and trends.

Correct AnswerverifiedShow Answer

Explain the characteristics and advantages of data mining systems.

One ________ is equal to 10¹⁸ bytes

Correct AnswerverifiedShow Answer

Which term is used as a synonym for data mining?

Correct AnswerverifiedShow Answer

Which of the following is a common unsupervised data-mining technique?

Correct AnswerverifiedShow Answer

With unsupervised data mining,analysts do not create a model or hypothesis before running the analysis.

Correct AnswerverifiedTrue

Data from social networking and user-generated content applications are likely be more accurate than purchased data.

Correct AnswerverifiedShow Answer

________ are comparable to distributors in a supply chain because they take data from the data manufacturers,clean and process the data,and locate the data on the disks of its computers.

Correct AnswerverifiedShow Answer

Market-basket analysis is a data mining system.

Correct AnswerverifiedShow Answer

How many bytes make up 1 gigabyte?

Correct AnswerverifiedA

A typical low-resolution photograph is equal to 1 terabyte.

Correct AnswerverifiedShow Answer

Explain the curse of dimensionality.

Correct AnswerverifiedThe curse of dimensionality is associate...View AnswerShow Answer

Reporting systems compute correlations of items on past orders in order to determine items that were frequently purchased together.

Correct AnswerverifiedShow Answer

Data granularity refers to the degree of detail of the data.

Correct AnswerverifiedShow Answer

Which of the following data-mining techniques is used to predict values and make classifications,such as "good prospect" or "poor prospect" customers?

Correct AnswerverifiedShow Answer

If Patient_Temperature > 103,Then Initiate High_Fever-Procedure.This sort of a rule is most likely to be found in a(n) ________ system.

Correct AnswerverifiedShow Answer

Expert systems encapsulate the knowledge of human experts in the form of If/Then rules.

Correct AnswerverifiedShow Answer

Data that are critical for successful operations must be complete and accurate,however data that are only marginally necessary do not need to be.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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True

Correct Answer
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Correct Answer
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A

Correct Answer
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Correct Answer
verified
The curse of dimensionality is associate...
View Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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