Ch. 5,6,7,8 True and False

For cloud computing to be successful, users must have knowledge and experience in the control of the technology infrastructures.

False

In the Salesforce case study, streaming data is used to identify services that customers use most.

False

Many quantitative models of decision theory are based on comparing a single measure of effectiveness, generally some form of utility to the decision maker.

True

MapReduce can be easily understood by skilled programmers due to its procedural nature.

True

Modeling is a key element for prescriptive analytics.

True

One reason the IoT is growing exponentially is because hardware is smaller and more affordable.

True

Online commerce and communication has created an immense need for forecasting and an abundance of available information for performing it.

True

Service-oriented DSS solutions generally offer individual or bundled services to the user as a service.

True

Social media mentions can be used to chart and predict flu outbreaks.

True

The pessimistic approach assumes that the worst possible outcome for each alternative will occur and selects the best of these.

True

The quality and objectivity of information disseminated by influential users of Twitter is higher than that disseminated by noninfluential users.

True

The term "Big Data" is relative as it depends on the size of the using organization.

True

In decision making under uncertainty, it is assumed that complete knowledge is available.

False

In most cases, Hadoop is used to replace data warehouses.

False

In sentiment analysis, sentiment suggests a transient, temporary opinion reflective of one's feelings.

False

Search engine optimization (SEO) techniques play a minor role in a Web site's search ranking because only well-written content matters.

False

Search engines are only used in the context of the World Wide Web (WWW).

False

Server virtualization is the pooling of physical storage from multiple network storage devices into a single storage device.

False

Siemens utilizes data sensors to track failure rates in household appliances.

False

Current total storage capacity lags behind the digital information being generated in the world.

True

In sentiment analysis, it is hard to classify some subjects such as news as good or bad, but easier to classify others, e.g., movie reviews, in the same way.

True

In text mining, if an association between two concepts has 7% support, it means that 7% of the documents had both concepts represented in the same document.

True

In the Quiznos case, the company employed location-based behavioral targeting to narrow the characteristics of users who were most likely to eat at a quick-service restaurant.

True

In the School District of Philadelphia case, Excel and an add-in was used to evaluate different vendor options.

True

In the Tito's Vodka case study, trends in cocktails were studied to create a quarterly recipe for customers.

True

In the Wimbledon case study, designers balanced the needs of mobile and desktop computer users.

True

Internet of Things (IoT) is the phenomenon of connecting the physical world to the Internet.

True

It is important for Big Data and self-service business intelligence to go hand in hand to get maximum value from analytics.

True

RFID can be used in supply chains to manage product quality.

True

Regional accents present challenges for natural language processing.

True

Satellite data can be used to evaluate the activity at retail locations as a source of alternative data.

True

Simulation is normally used only when a problem is too complex to be treated using numerical optimization techniques.

True

Simulation is the appearance of reality.

True

Social networking Web sites like Facebook, Twitter, and LinkedIn, are also examples of cloud computing.

True

The term cloud computing originates from a reference to the Internet as a "cloud" and represents an evolution of all of the previously shared/centralized computing trends.

True

VIS uses animated computer graphic displays to present the impact of different managerial decisions.

True

In the evolution of social media user engagement, the largest recent change is the growth of creators.

False

SaaS combines aspects of cloud computing with Big Data analytics and empowers data scientists and analysts by allowing them to access centrally managed information data sets.

False

Text analytics is the subset of text mining that handles information retrieval and extraction, plus data mining.

False

Users definitely own their biometric data.

False

A decision table shows the relationships of the problem graphically and can handle complex situations in a compact form.

False

A model builder makes predictions and assumptions regarding input data, many of which deal with the assessment of certain futures.

False

All quantitative models are typically made up of six basic components.

False

Big Data uses commodity hardware, which is expensive, specialized hardware that is custom built for a client or application.

False

Business analysis is the monitoring, scanning, and interpretation of collected environmental information.

False

Companies understand that when their product goes "viral," the content of the online conversations about their product does not matter, only the volume of conversations.

False

Connectivity is not a part of the IoT infrastructure.

False

Consistent high quality, higher publishing frequency, and longer time lag are all attributes of industrial publishing when compared to Web publishing.

False

Descriptive analytics for social media feature such items as your followers as well as the content in online conversations that help you to identify themes and sentiments.

False

Hadoop and MapReduce require each other to work.

False

IaaS helps provide faster information, but provides information only to managers in an organization.

False

In the Great Clips case study, the company uses geospatial data to analyze, among other things, the types of haircuts most popular in different geographic locations.

False

In the car insurance case study, text mining was used to identify auto features that caused injuries.

False

In the classification of location-based analytic applications, examining geographic site locations falls in the consumer-oriented category.

False

Result variables are considered independent variables.

False

Simulations are an experimental, expensive, error-prone method for gaining insight into complex decision-making situations.

False

Since little can be done about visitor Web site abandonment rates, organizations have to focus their efforts on increasing the number of new visitors.

False

Spreadsheets are clearly the most popular developer modeling tool.

False

Web-based e-mail such as Google's Gmail are not examples of cloud computing.

False

Web-based media has nearly identical cost and scale structures as traditional media.

False

While cloud services are useful for small and midsize analytic applications, they are still limited in their ability to handle Big Data applications.

False

A decision made under risk is also known as a probabilistic or stochastic decision-making situation.

True

Articles and auxiliary verbs are assigned little value in text mining and are usually filtered out.

True

Big Data is being driven by the exponential growth, availability, and use of information.

True

Categorization and clustering of documents during text mining differ only in the preselection of categories.

True

Clickstream analysis does not need users to enter their perceptions of the Web site or other feedback directly to be useful in determining their preferences.

True

Current use of sentiment analysis in voice of the customer applications allows companies to change their products or services in real time in response to customer sentiment.

True

Data as a service began with the notion that data quality could happen in a centralized place, cleansing and enriching data and offering it to different systems, applications, or users, irrespective of where they were in the organization, computers, or on the network.

True

Decision situations that involve a finite and usually not too large number of alternatives are modeled through an approach called decision analysis.

True

Despite their potential, many current NoSQL tools lack mature management and monitoring tools.

True

Every LP model has some internal intermediate variables that are not explicitly stated.

True

For low latency, interactive reports, a data warehouse is preferable to Hadoop.

True

From massive amounts of high-dimensional location data, algorithms that reduce the dimensionality of the data can be used to uncover trends, meaning, and relationships to eventually produce human-understandable representations.

True

Hadoop was designed to handle petabytes and exabytes of data distributed over multiple nodes in parallel.

True

If you have many flexible programming languages running in parallel, Hadoop is preferable to a data warehouse.

True

In Application Case 7.6, Analyzing Disease Patterns from an Electronic Medical Records Data Warehouse, it was found that urban individuals have a higher number of diagnosed disease conditions.

True

In the opening vignette, the Access Telecom (AT), built a system to better visualize customers who were unhappy before they canceled their service.

True

There is a clear difference between the type of information support provided by influential users versus the others on Twitter.

True

Big Data simplifies data governance issues, especially for global firms.

False