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Which of the following is NOT a component of a KPI (key performance indicator) ?


A) ​direction
B) measure
C) time frame
D) ​format

E) C) and D)
F) A) and B)

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Data mining is used to explore large amounts of data, looking for hidden patterns that can be used to predict future trends and behaviors.

A) True
B) False

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Data _____ is the core component of data management; it defines the roles, responsibilities, and processes for ensuring that data can be trusted.

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For BI to be successful, the _____ in the organization must be strongly committed to data-driven decision making.

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management
executive...

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____ is the first phase of the cross-industry process for data mining (CRIPS-DM).

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Business u...

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With the help of ____ analytics tools, users work independently to access data and perform their own analyses.

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Suppose you are good in math and statistics. Adding programming to your skill-set will be necessary if you want to be a data scientist.

A) True
B) False

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Some insurance companies can detect fraudulant claims using BI software .

A) True
B) False

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Online analytical processing is another name for enterprise application.

A) True
B) False

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Excel's scenario manager can be used to solve optimization-type problems .

A) True
B) False

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A ______ is a visual depiction of a set of words that have been grouped together because of the frequency of their occurrence.

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During modeling of the CRISP-DM method, we would ______.


A) ​clarify business goals for the data mining project
B) ​select a subset of data to be used and prepare it
C) ​assess if the model achieves business goals
D) ​apply selected modeling techniques

E) A) and B)
F) A) and C)

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Data scientists do not need much business domain knowledge.

A) True
B) False

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Suppose you are viewing a database of your monthly expenses, categorized under broad headings such as food, entertainment and accommodation. If you have drill down ability, you are able to view details under each category.

A) True
B) False

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In linear regression, you are to find a line that best fits the data. Sometimes the line may be curved.

A) True
B) False

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For an organization to get real value from its BI efforts, it must have a solid data management program.

A) True
B) False

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Data within the data cube has been ______ by specific dimensional values.


A) ​correlated
B) ​summarized
C) ​regressed
D) ​drilled into

E) B) and C)
F) A) and D)

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A conversion funnel is a visual depiction of a set of words that have been grouped together because of the frequency of their occurrence.

A) True
B) False

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Business analytics can be used only for forecasting future business results.

A) True
B) False

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Which of the following is NOT a core process associated with data management?


A) ​process for obtaining data
B) process for certifying it fit for use
C) process for gathering BI requirements
D) ​process for storage

E) B) and D)
F) All of the above

Correct Answer

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