Question 1

Explain clickstream data.

Accepted Answer

Clickstream data is that data which is c...

Question 2

The advantage that ________ have over the other systems is that these foster innovation,improve customer service,increase organizational responsiveness,and reduce costs.

Accepted Answer

A)   reporting systems
B)   expert systems
C)   data mining systems
D)   knowledge management systemsE) B) and D)
F) A) and B)

Question 3

What is unsupervised data mining?

Accepted Answer

Unsupervised data mining is where analys...

Question 4

Explain supervised data-mining and list the techniques used in it.

Accepted Answer

With supervised data mining,data miners ...

Question 5

WhyMe@GuessWhoIAM.org is an example of ________.

Accepted Answer

A)   dirty data
B)   coarse data
C)   inconsistent data
D)   fine dataE) B) and D)
F) B) and C)

Question 6

In ________,statistical techniques identify groups of entities that have similar characteristics.

Accepted Answer

A)   cluster analysis
B)   neural networks
C)   regression analysis
D)   curve fittingE) A) and C)
F) A) and B)

Question 7

Data marts are data collections that address a particular business problem or opportunity.

Accepted Answer

A) True 
 B)False

Question 8

One kilobyte consists of 1,000 bytes.

Accepted Answer

A) True 
 B)False

Question 9

________ refer(s) to the degree of summarization or detail.

Accepted Answer

A)   Data abstraction
B)   Data granularity
C)   Gross data
D)   Data aggregationE) None of the above
F) A) and B)

Question 10

Cluster analysis measures the impact of one set of variables on another variable.

Accepted Answer

A) True 
 B)False

Question 11

Regression analysis is used in ________.

Accepted Answer

A)   expert systems
B)   knowledge management systems
C)   data-mining systems
D)   reporting systemsE) C) and D)
F) None of the above

Question 12

________ measures the impact of a set of variables on another variable.

Accepted Answer

A)   Cluster analysis
B)   Neural networking
C)   Granularity
D)   Regression analysisE) A) and B)
F) C) and D)

Question 13

Clickstream data is ________.

Accepted Answer

A)   inconsistent
B)   too coarse
C)   too fine
D)   dirty dataE) A) and B)
F) A) and C)

Question 14

Describe the characteristics and advantages of reporting systems.

Accepted Answer

Reporting systems integrate data from mu...

Question 15

Cluster analysis and neural networks are examples of supervised data mining techniques.

Accepted Answer

A) True 
 B)False

Question 16

The purpose of a ________ is to extract and clean data from operational systems and other sources,and to store and catalog that data for processing by BI tools.

Accepted Answer

A)   data harvester
B)   data center
C)   data aggregator
D)   data warehouseE) A) and B)
F) A) and C)

Question 17

What is a business intelligence system?

Accepted Answer

A business intelligence (BI)system is an...

Question 18

What is data granularity?

Accepted Answer

Data can be too fine or too coarse.Data ...

Question 19

What is data mining?

Accepted Answer

Data mining is the application of statis...

Question 20

One ________ is equal to 10³ bytes.

Accepted Answer

A)   petabyte
B)   gigabyte
C)   megabyte
D)   kilobyteE) B) and C)
F) C) and D)

Exam 9: Business Intelligence and Information Systems for Decision Making

WhyMe@GuessWhoIAM.org is an example of ________.

Correct AnswerverifiedShow Answer

Describe the characteristics and advantages of reporting systems.

Correct AnswerverifiedReporting systems integrate data from mu...View AnswerShow Answer

________ measures the impact of a set of variables on another variable.

Correct AnswerverifiedShow Answer

What is data mining?

Correct AnswerverifiedData mining is the application of statis...View AnswerShow Answer

What is a business intelligence system?

Correct AnswerverifiedA business intelligence (BI)system is an...View AnswerShow Answer

The purpose of a ________ is to extract and clean data from operational systems and other sources,and to store and catalog that data for processing by BI tools.

Correct AnswerverifiedShow Answer

One kilobyte consists of 1,000 bytes.

Correct AnswerverifiedShow Answer

One ________ is equal to 10³ bytes.

Correct AnswerverifiedShow Answer

Data marts are data collections that address a particular business problem or opportunity.

Correct AnswerverifiedShow Answer

What is unsupervised data mining?

Correct AnswerverifiedUnsupervised data mining is where analys...View AnswerShow Answer

________ refer(s) to the degree of summarization or detail.

Correct AnswerverifiedShow Answer

Explain clickstream data.

Correct AnswerverifiedClickstream data is that data which is c...View AnswerShow Answer

What is data granularity?

Correct AnswerverifiedData can be too fine or too coarse.Data ...View AnswerShow Answer

Cluster analysis and neural networks are examples of supervised data mining techniques.

Correct AnswerverifiedShow Answer

Clickstream data is ________.

Correct AnswerverifiedShow Answer

Regression analysis is used in ________.

Correct AnswerverifiedShow Answer

Cluster analysis measures the impact of one set of variables on another variable.

Correct AnswerverifiedShow Answer

The advantage that ________ have over the other systems is that these foster innovation,improve customer service,increase organizational responsiveness,and reduce costs.

Correct AnswerverifiedShow Answer

In ________,statistical techniques identify groups of entities that have similar characteristics.

Correct AnswerverifiedShow Answer

Explain supervised data-mining and list the techniques used in it.

Correct AnswerverifiedWith supervised data mining,data miners ...View AnswerShow Answer

Correct Answer
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Reporting systems integrate data from mu...
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Correct Answer
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Data mining is the application of statis...
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A business intelligence (BI)system is an...
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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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Unsupervised data mining is where analys...
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Clickstream data is that data which is c...
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Data can be too fine or too coarse.Data ...
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Correct Answer
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Correct Answer
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With supervised data mining,data miners ...
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