Question 1

Data visualization tools can help uncover correlations and trends in data that would otherwise go unrecognized.

Accepted Answer

A) True 
 B)False

Question 2

What is a collection of large, complex data sets, including structured and unstructured data, that cannot be analyzed using traditional database methods and tools?

Accepted Answer

A)  Big data
B)  Distributed computing
C)  Advanced analytics
D)  Data scientistE) A) and D)
F) A) and B)

Question 3

What is optimization?

Accepted Answer

A)  A statement about what will happen or might happen in the future such as future sales or employee turnover.
B)  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.
C)  Predictions based on time-series information.
D)  A statistical process for estimating the relationships among variables.E) None of the above
F) C) and D)

Question 4

Volume includes the uncertainty of data, including biases, noise, and abnormalities.

Accepted Answer

A) True 
 B)False

Question 5

What can present the results of large data analysis looking for patterns and relationships that monitor changes in variables over time?

Accepted Answer

A)  Informing
B)  Infographics
C)  Data visualization
D)  Business intelligence dashboardsE) B) and D)
F) None of the above

Question 6

Optimization is a statistical process for estimating the relationships among variables.

Accepted Answer

A) True 
 B)False

Question 7

Clustering segments a heterogeneous population of more homogeneous subgroups.

Accepted Answer

A) True 
 B)False

Question 8

Distributed computing focuses on forecasting future trends and producing insights using sophisticated quantitative methods, including statistics, descriptive and predictive data mining, simulation, and optimization.

Accepted Answer

A) True 
 B)False

Question 9

What is a business analytics specialist who uses visual tools to help people understand complex data?

Accepted Answer

A)  Distributed computing specialist
B)  Data processor
C)  Data scientist
D)  Data artistE) A) and C)
F) A) and D)

Question 10

In terms of big data, what includes the analysis of streaming data as it travels around the Internet?

Accepted Answer

A)  Variety
B)  Veracity
C)  Volume
D)  VelocityE) All of the above
F) A) and B)

Question 11

Advanced analytics focuses on forecasting future trends and producing insights using sophisticated quantitative methods, including statistics, descriptive and predictive data mining, simulation, and optimization.

Accepted Answer

A) True 
 B)False

Question 12

What is the process of analyzing data to extract information not offered by the raw data alone?

Accepted Answer

A)  Data integrity
B)  Data mart analysis
C)  Data mining
D)  Data extractionE) A) and C)
F) A) and B)

Question 13

What is big data?

Accepted Answer

A)  A collection of large, complex data sets, including structured and unstructured data, that 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 information.E) C) and D)
F) None of the above

Question 14

What assigns records to one of a predefined set of classes?

Accepted Answer

A)  Classification
B)  Estimation
C)  Affinity grouping
D)  ClusteringE) A) and B)
F) A) and C)

Question 15

What is clustering?

Accepted Answer

A)  Determination of values for an unknown continuous variable behavior or estimated future value.
B)  Determination of which things go together.
C)  Segmentation of a heterogeneous population of more homogeneous subgroups.
D)  Assignment of records to one of a predefined set of classes.E) A) and B)
F) None of the above

Question 16

Data-mining tools use a variety of techniques to find patterns and relationships in large volumes of information that predict future behavior and guide decision making.

Accepted Answer

A) True 
 B)False

Question 17

What analyzes unstructured data to find trends and patterns in words and sentences?

Accepted Answer

A)  Structured data
B)  Unstructured data
C)  Text analytics
D)  Web analyticsE) All of the above
F) C) and D)

Question 18

Estimation determines values for an unknown continuous variable behavior or estimated future value.

Accepted Answer

A) True 
 B)False

Question 19

What determines which things go together?

Accepted Answer

A)  Classification
B)  Estimation
C)  Affinity grouping
D)  ClusteringE) All of the above
F) C) and D)

Question 20

Optimization 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) True 
 B)False

Exam 8: Understanding Big Data and Its Impact on Business

Estimation determines values for an unknown continuous variable behavior or estimated future value.

Correct AnswerverifiedShow Answer

Optimization is a statistical process for estimating the relationships among variables.

Correct AnswerverifiedShow Answer

Optimization 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

What can present the results of large data analysis looking for patterns and relationships that monitor changes in variables over time?

Correct AnswerverifiedShow Answer

In terms of big data, what includes the analysis of streaming data as it travels around the Internet?

Correct AnswerverifiedShow Answer

What is big data?

Correct AnswerverifiedShow Answer

Clustering segments a heterogeneous population of more homogeneous subgroups.

Correct AnswerverifiedShow Answer

Data-mining tools use a variety of techniques to find patterns and relationships in large volumes of information that predict future behavior and guide decision making.

Correct AnswerverifiedShow Answer

Volume includes the uncertainty of data, including biases, noise, and abnormalities.

Correct AnswerverifiedShow Answer

Advanced analytics focuses on forecasting future trends and producing insights using sophisticated quantitative methods, including statistics, descriptive and predictive data mining, simulation, and optimization.

Correct AnswerverifiedShow Answer

What determines which things go together?

Correct AnswerverifiedShow Answer

What assigns records to one of a predefined set of classes?

Correct AnswerverifiedShow Answer

What is clustering?

Correct AnswerverifiedShow Answer

What is the process of analyzing data to extract information not offered by the raw data alone?

Correct AnswerverifiedShow Answer

What is a business analytics specialist who uses visual tools to help people understand complex data?

Correct AnswerverifiedShow Answer

Distributed computing focuses on forecasting future trends and producing insights using sophisticated quantitative methods, including statistics, descriptive and predictive data mining, simulation, and optimization.

Correct AnswerverifiedShow Answer

What analyzes unstructured data to find trends and patterns in words and sentences?

Correct AnswerverifiedShow Answer

What is optimization?

Correct AnswerverifiedShow Answer

Data visualization tools can help uncover correlations and trends in data that would otherwise go unrecognized.

Correct AnswerverifiedShow Answer

What is a collection of large, complex data sets, including structured and unstructured data, that cannot be analyzed using traditional database methods and tools?

Correct AnswerverifiedShow Answer

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