module 9 practice questions

Social Media Analysis

Analyzes text flowing across the Internet, including unstructured text from blogs and messages.

Web Analysis

Analyzes unstructured data associated with websites to identify consumer behavior and website navigation.

Text Analysis

Analyzes unstructured data to find trends and patterns in words and sentences

What contains a subset of data warehouse information?

Data mart

What is a process that weeds out and fixes or discards inconsistent, incorrect, or incomplete information?

Information cleansing

The data, if available, were often incorrect or incomplete. Therefore, users could not rely on the data to make decisions.

Poor Data Quality

BI can help managers with __________ monitoring where a company keeps tabs of its competitor's activities on the web using software that automatically tracks all competitor website activities such as discounts and new products.

competitive

A data __________ is a technique for establishing a match, or balance, between the source data and the target data warehouse.

map

Algorithms are mathematical formulas placed in software that performs an analysis on a data set.

true

Infographics (information graphics) present the results of data analysis, displaying the patterns, relationships, and trends in a graphical format.

true

What is the creation of a virtual (rather than actual) version of computing resources, such as an operating system, a server, a storage device, or network resources?

virtualization

Data ___________ describes technologies that allow users to "see" or visualize data to transform information into a business perspective.

visualization

A data ________ is a logical collection of information, gathered from many different operational databases, that supports business analysis activities and decision-making tasks.

warehouse

What is the solution to the problem of being data rich and information poor?

Business intelligence

What tracks corporate metrics such as critical success factors and key performance indicators and include advanced capabilities such as interactive controls allowing users to manipulate data for analysis?

Business intelligence dashboards

Select the statement that accurately describes a situation in which there is too much data to properly understand or make use of it.

Data rich and information poor

What describes technologies that allow users to "see" or visualize data to transform information into a business perspective?

Data visualization

Correlation Analysis

Determines a statistical relationship between variables, often for the purpose of identifying predictive factors among the variables.

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

Distributed

___________, transformation, and loading is a process that extracts information from internal and external databases, transforms it using a common set of enterprise definitions, and loads it into a data warehouse.

Extraction

What is a process that extracts information from internal and external databases, transforms it using a common set of enterprise definitions, and loads it into a data warehouse?

Extraction, transformation, and loading

Exploratory Data Analysis

Identifies patterns in data, including outliers, uncovering the underlying structure to understand relationships between the variables.

Users could not get the data they needed; what was collected was not always useful for intended purposes.

Inadequate Data Usefulness

Every department had its own method for recording data so when trying to share information, data did not match and users did not get the data they really needed.

Inconsistent Data Definitions

Most data stored in operational databases did not allow users direct access; users had to wait to have their queries or questions answered by MIS professionals who could code SQL.

Ineffective Direct Data Access

Select two terms that describe the process for weeding out, fixing, or discarding inconsistent, incorrect, or incomplete information.

Information cleansing Information scrubbing

Managers need to perform cross-functional analysis using data from all departments, which differed in granularities, formats, and levels.

Lack of Data Standards

data identifies the primary location where data is collected.

Source

Pattern Recognition Analysis

The classification or labeling of an identified pattern in the machine learning process.

Speech Analysis

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.

Speech analysis

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.

Behavioral analysis

Using data about people's behaviors to understand intent and predict future actions.

Different forms of structured and unstructured data

Variety

The analysis of streaming data as it travels around the Internet

Velocity

The uncertainty of data, including biases, noise, and abnormalities

Veracity

__________ is the creation of a virtual (rather than actual) version of computing resources, such as an operating system, a server, a storage device, or network resources.

Virtualization

The scale of data

Volume

Data __________ is the collection of data from various sources for the purpose of data processing.

aggregation

What are mathematical formulas placed in software that performs an analysis on a data set?

algorithms

What is the process of identifying rare or unexpected items or events in a data set that do not conform to other items in the data set?

anomaly detection

A data __________ is a business analytics specialist who uses visual tools to help people understand complex data.

artist

A data __________ is a business that collects personal information about consumers and sells that information to other organizations.

broker

A(n) __________ analysis can compare two or more data sets to identify patterns and trends.

comparative

What can compare two or more data sets to identify patterns and trends?

comparative analysis

What occurs when a company keeps tabs of its competitor's activities on the web using software that automatically tracks all competitor website activities such as discounts and new products?

competitive monitoring

What is the common term for the representation of multidimensional information?

cube

Business intelligence __________ track corporate metrics such as critical success factors and key performance indicators and include advanced capabilities such as interactive controls allowing users to manipulate data for analysis.

dashboards

What is the collection of data from various sources for the purpose of data processing?

data aggregation

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

data artist

What is a business that collects personal information about consumers and sells that information to other organizations?

data broker

What is a storage repository that holds a vast amount of raw data in its original format until the business needs it?

data lake

What is a technique for establishing a match, or balance, between the source data and the target data warehouse?

data map

What is an individual item on a graph or a chart?

data point

Who 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?

data scientist

What is an organized collection of data?

data set

What is a logical collection of information, gathered from many different operational databases, that supports business analysis activities and decision-making tasks?

data warehouse

What is an approach to business governance that values decisions that can be backed up with verifiable data?

data-driven decision making

Data-driven __________ management is an approach to business governance that values decisions that can be backed up with verifiable data.

decision

Anomaly __________ is the process of identifying rare or unexpected items or events in a data set that do not conform to other items in the data set.

detection

What is erroneous or flawed data?

dirty data

What processes and manages algorithms across many machines in a computing environment?

distributed computing

_________ data is 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.

fast

What is 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?

fast data

What presents the results of data analysis, displaying the patterns, relationships, and trends in a graphical format?

infographics

A data __________ is a storage repository that holds a vast amount of raw data in its original format until the business needs it.

lake

A(n) __________ is a data value that is numerically distant from most of the other data points in a set of data.

outlier

What is a data value that is numerically distant from most of the other data points in a set of data?

outlier

A(n) __________ is a central location in which data is stored.

repository

A data __________ 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.

scientist

A data __________ is an organized collection of data.

set

What identifies the primary location where data is collected?

source data