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What is classification analysis?


A) Determination of the 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) B) and D)
F) A) and B)

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Distributed computing processes and manages algorithms across many machines in a computing environment.

A) True
B) False

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What determines which things go together?


A) Classification
B) Estimation
C) Affinity grouping
D) Clustering

E) None of the above
F) B) and C)

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Affinity analysis is a technique used to divide information sets into mutually exclusive groups such that the members of each group are as close together as possible to one another and the different groups are as far apart as possible.

A) True
B) False

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Social media analytics analyzes unstructured data associated with websites to identify consumer behavior and website navigation.

A) True
B) False

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What is speech analytics?


A) The analysis of text flowing across the Internet, including unstructured text from blogs and messages
B) The analysis of recorded calls to gather information-brings structure to customer interactions and exposes information buried in customer contact center interactions with an enterprise
C) The analysis of unstructured data to find trends and patterns in words and sentences
D) The analysis of unstructured data associated with websites to identify consumer behavior and website navigation

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

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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.

A) True
B) False

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Define data mining and explain its three elements.

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Data mining is the process of analyzing ...

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Clustering assigns records to one of a predefined set of classes.

A) True
B) False

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What is an outlier?


A) A program that processes and manages algorithms across many machines in a computing environment
B) A data value that is numerically distant from most of the other data points in a set of data
C) An emotional state of over-analyzing (or over-thinking) a situation so that a decision or action is never taken, in effect paralyzing the outcome
D) The application of big data analytics to smaller data sets in near-real or real-time in order to solve a problem or create business value

E) C) and D)
F) None of the above

Correct Answer

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


A) Social media analytics
B) Speech analytics
C) Text analytics
D) Web analytics

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

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

A) True
B) False

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Data mining occurs on structured data that are already in a database or a spreadsheet.

A) True
B) False

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Which of the following is not a common form of data mining analysis?


A) Division organization
B) Classification
C) Estimation
D) Clustering

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

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Web analytics analyzes unstructured data to find trends and patterns in words and sentences.

A) True
B) False

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Variety includes different forms of structured and unstructured data.

A) True
B) False

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What groups similar attributes together to discover segments or clusters, and then examine the attributes and values that define those segments?


A) Classification
B) Estimation
C) Affinity grouping
D) Clustering

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

Correct Answer

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What is the function of a data scientist?


A) To collect large, complex data sets, including structured and unstructured data, which cannot be analyzed using traditional database methods and tools
B) To process and manage algorithms across many machines in a computing environment
C) To focus on forecasting future trends and produce insights using sophisticated quantitative methods, including statistics, descriptive and predictive data mining, simulation, and optimization
D) To extract 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) All of the above
F) C) and D)

Correct Answer

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

A) True
B) False

Correct Answer

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What is analysis paralysis?


A) Processes and manages algorithms across many machines in a computing environment
B) Focuses on forecasting future trends and producing insights using sophisticated quantitative methods, including statistics, descriptive and predictive data mining, simulation, and optimization
C) Occurs when the user goes into an emotional state of over-analyzing (or over-thinking) a situation so that a decision or action is never taken, in effect paralyzing the outcome
D) A business analytics specialist who uses visual tools to help people understand complex data

E) None of the above
F) A) and C)

Correct Answer

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Showing 41 - 60 of 125

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