Question 1

What is a data scientist?

Accepted Answer

A)  a collection of large, complex data sets, including structured and unstructured data, which cannot be analyzed using traditional database methods and tools
B)  processes and manages algorithms across many machines in a computing environment
C)  focuses on forecasting future trends and producing insights using sophisticated quantitative methods, including statistics, descriptive and predictive data mining, simulation, and optimization
D)  extracts knowledge from data by performing statistical analysis, data mining, and advanced analytics on big data to identify trends, market changes, and other relevant informationE) All of the above
F) C) and D)

Question 2

What is another term for information cleansing?

Accepted Answer

A)  information mining
B)  information scrubbing
C)  information scrapping
D)  information martsE) None of the above
F) C) and D)

Question 3

A field is a collection of related data elements.

Accepted Answer

A) True 
 B)False

Question 4

Speech analytics is the process of analyzing recorded calls to gather information; brings structure to customer interactions and exposes information buried in customer contact center interactions with an enterprise.

Accepted Answer

A) True 
 B)False

Question 5

A primary key is a foreign key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.

Accepted Answer

A) True 
 B)False

Question 6

What is distributed computing?

Accepted Answer

A)  a collection of large, complex data sets, including structured and unstructured data, which cannot be analyzed using traditional database methods and tools
B)  processes and manages algorithms across many machines in a computing environment
C)  focuses on forecasting future trends and producing insights using sophisticated quantitative methods, including statistics, descriptive and predictive data mining, simulation, and optimization
D)  extracts knowledge from data by performing statistical analysis, data mining, and advanced analytics on big data to identify trends, market changes, and other relevant informationE) A) and D)
F) C) and D)

Question 7

What is a statistical process that finds the way to make a design, system, or decision as effective as possible; for example, finding the values of controllable variables that determine maximal productivity or minimal waste?

Accepted Answer

A)  prediction
B)  optimization
C)  forecasting
D)  regressionE) B) and D)
F) B) and C)

Question 8

Which of the following would not be considered part of the complete characteristic of high-quality information?

Accepted Answer

A)  Is a value missing from the personal information?
B)  Is each transaction represented only once in the information?
C)  Is the address incomplete?
D)  Is the area code missing for the phone information?E) A) and B)
F) A) and C)

Question 9

What has moved beyond Excel graphs and charts into sophisticated analysis techniques such as pie charts, controls, instruments, maps, time-series graphs, and more?

Accepted Answer

A)  informing
B)  infographics
C)  data visualization tools
D)  business intelligence dashboardsE) A) and B)
F) None of the above

Question 10

Clustering segments a heterogeneous population of more homogeneous subgroups.

Accepted Answer

A) True 
 B)False

Question 11

Reports for each sales person, product, and part are examples of detail or fine information granularities.

Accepted Answer

A) True 
 B)False

Question 12

Unstructured data do not exist in a fixed location and can include text documents, PDFs, voice messages, emails, and so on.

Accepted Answer

A) True 
 B)False

Question 13

What is stored in a dynamic catalog, or an area of a website that stores information about products in a database?

Accepted Answer

A)  dynamic website
B)  data-driven website
C)  static information
D)  dynamic informationE) A) and D)
F) B) and C)

Question 14

Structured data has a defined length, type, and format and includes numbers, dates, or strings such as Customer Address.

Accepted Answer

A) True 
 B)False

Question 15

What determines values for an unknown continuous variable behavior or estimated future value?

Accepted Answer

A)  classification
B)  estimation
C)  affinity grouping
D)  clusteringE) All of the above
F) C) and D)

Question 16

Which of the following is not an example of an advantage to using the Web to access organizational databases?

Accepted Answer

A)  Web browsers are much easier to use than a computer based database.
B)  The web interface requires few or no changes to the database model.
C)  It is cleaner and virus-free.
D)  It costs less.E) A) and B)
F) A) and C)

Question 17

What is web analytics?

Accepted Answer

A)  unstructured data associated with websites to identify consumer behavior and website navigation
B)  analyzes structured data associated with a website
C)  filters information, both structured and unstructured, to help identify strong web customers
D)  None of these are correct.E) C) and D)
F) A) and B)

Question 18

Analysis paralysis occurs when the user goes into an emotional state of over-analysis (or over-thinking) a situation so that a decision or action is never taken, in effect paralyzing the outcome.

Accepted Answer

A) True 
 B)False

Question 19

Text analytics analyzes unstructured data to find trends and patterns in words and sentences.Text mining a firm's customer support email might identify which customer service representative is best able to handle the question, allowing the system to forward it to the right person.

Accepted Answer

A) True 
 B)False

Question 20

The logical view of information focuses on how individual users logically access information to meet their own particular business needs.

Accepted Answer

A) True 
 B)False

Exam 6: Data: Business Intelligence

Which of the following would not be considered part of the complete characteristic of high-quality information?

Correct AnswerverifiedShow Answer

What determines values for an unknown continuous variable behavior or estimated future value?

Correct AnswerverifiedShow Answer

A field is a collection of related data elements.

Correct AnswerverifiedShow Answer

What is stored in a dynamic catalog, or an area of a website that stores information about products in a database?

Correct AnswerverifiedShow Answer

Which of the following is not an example of an advantage to using the Web to access organizational databases?

Correct AnswerverifiedShow Answer

A primary key is a foreign key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.

Correct AnswerverifiedShow Answer

Speech analytics is the process of analyzing recorded calls to gather information; brings structure to customer interactions and exposes information buried in customer contact center interactions with an enterprise.

Correct AnswerverifiedShow Answer

What is a data scientist?

Correct AnswerverifiedShow Answer

Text analytics analyzes unstructured data to find trends and patterns in words and sentences.Text mining a firm's customer support email might identify which customer service representative is best able to handle the question, allowing the system to forward it to the right person.

Correct AnswerverifiedShow Answer

Structured data has a defined length, type, and format and includes numbers, dates, or strings such as Customer Address.

Correct AnswerverifiedShow Answer

Analysis paralysis occurs when the user goes into an emotional state of over-analysis (or over-thinking) a situation so that a decision or action is never taken, in effect paralyzing the outcome.

Correct AnswerverifiedShow Answer

What is distributed computing?

Correct AnswerverifiedShow Answer

Clustering segments a heterogeneous population of more homogeneous subgroups.

Correct AnswerverifiedShow Answer

What is another term for information cleansing?

Correct AnswerverifiedShow Answer

The logical view of information focuses on how individual users logically access information to meet their own particular business needs.

Correct AnswerverifiedShow Answer

Unstructured data do not exist in a fixed location and can include text documents, PDFs, voice messages, emails, and so on.

Correct AnswerverifiedShow Answer

What has moved beyond Excel graphs and charts into sophisticated analysis techniques such as pie charts, controls, instruments, maps, time-series graphs, and more?

Correct AnswerverifiedShow Answer

What is web analytics?

Correct AnswerverifiedShow Answer

What is a statistical process that finds the way to make a design, system, or decision as effective as possible; for example, finding the values of controllable variables that determine maximal productivity or minimal waste?

Correct AnswerverifiedShow Answer

Reports for each sales person, product, and part are examples of detail or fine information granularities.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified