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Multiple Choice Quiz
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1
Which of the following is major advantage of secondary data sources?
A)The internal validity of the measured used is relatively high.
B)Different sources can be relative easily combined.
C)They are usually less costly to gather.
D)The sources of secondary data are usually reliable.
2
The UK government publishes a number of censuses. Which of the following is carried out once every ten years?
A)Census of Manufactures
B)Census of Business
C)Census of Housing
D)None of the above
3
For an organization, which of the following is not an example of an internal source of secondary data?
A)The data stored in the records of the Management Information System.
B)Questionnaire responses collected by the internal sales staff, from the company's distributors.
C)A market survey commissioned by the organization, completed three years ago.
D)Inventory records of the materials department.
4
Advantages of computerized searches include:
A)It is possible to search large pools of information systematically.
B)Electronic data bases are up-dated more frequently than non electronic ones.
C)Computerized searches are less time-consuming.
D)A and B are both correct.
E)A, B and C are all correct.
5
Disadvantages of secondary data to investigate a research problem include:
A)The reliability of the data is often unknown.
B)They have often been collected for other purposes than research creating a bias.
C)It is very hard to combine them with other sources.
D)A and B are both correct.
E)B and C are both correct.
F)A and C are both correct.
G)A, B and C are all correct.
6
Data mining techniques include:
A)Data visualization
B)Fuzzy logic
C)Clustering
D)All of the above.
E)A and B are both correct.
F)B and C are both correct.
G)A and C are both correct.
7
Which technology facilitated data-mining?
A)Advanced algorithms.
B)Relational databases.
C)Online data processing.
D)All of the above.
8
Which of the factors below is not useful to evaluate information sources?
A)Validity
B)Authority
C)Purpose
D)Format





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