Computerized support is only used for organizational decisions that are responses to external
pressures, not for taking advantage of opportunities. correct answers false
Computer applications have moved from transaction processing and monitoring activities to
problem analysis and solution applications. correct answers true
The growth in hardware, software, and network capacities has had little impact on modern BI
innovations. correct answers false
Decision support system (DSS) and management information system (MIS) have precise
definitions agreed to by practitioners. correct answers false
Major commercial business intelligence (BI) products and services were well established in the
early 1970s. correct answers false
Many business users in the 1980s referred to their mainframes as "the black hole," because all
the information went into it, but little ever came back and ad hoc real-time querying was
virtually impossible. correct answers true
Demands for instant, on-demand access to dispersed information decrease as firms successfully
integrate BI into their operations. correct answers false
The use of dashboards and data visualizations is seldom effective in identifying issues in
organizations, as demonstrated by the Silvaris Corporation Case Study. correct answers false
In the Opening Vignette on Sports Analytics, what was adjusted to drive one-time ticket sales?
correct answers ticket prices
The competitive imperatives for BI include all of the following EXCEPT correct answers right
user
What type of analytics seeks to recognize what is going on as well as the likely forecast and
make decisions to achieve the best performance possible? correct answers prescriptive
What type of analytics seeks to determine what is likely to happen in the future? correct answers
predictive
A(n) ________ is a major component of a Business Intelligence (BI) system that holds source
data. correct answers data warehouse
________ analytics help managers understand probable future outcomes. correct answers
Predictive
,How does Amazon.com use predictive analytics to respond to product searches by the customer?
correct answers Amazon uses predictive analytics to respond to product searches by the the items
that say, people who bought this item also viewed this. Also, the section that has products related
to your recent Amazon searches.
One of SiriusXM's challenges was tracking potential customers when cars were sold. correct
answers true
To respond to its market challenges, SiriusXM decided to focus on manufacturing efficiency.
correct answers false
Data is the main ingredient for any BI, data science, and business analytics initiative. correct
answers true
Predictive algorithms generally require a flat file with a target variable, so making data analytics
ready for prediction means that data sets must be transformed into a flat-file format and made
ready for ingestion into those predictive algorithms. correct answers true
Google Maps has set new standards for data visualization with its intuitive Web mapping
software. correct answers true
Visualization differs from traditional charts and graphs in complexity of data sets and use of
multiple dimensions and measures. correct answers true
Dashboards provide visual displays of important information that is consolidated and arranged
across several screens to maintain data order. correct answers false
In the Dallas Cowboys case study, the focus was on using data analytics to decide which players
would play every week. correct answers false
Data accessibility means that the data are easily and readily obtainable. correct answers true
Structured data is what data mining algorithms use and can be classified as categorical or
numeric. correct answers true
Interval data are variables that can be measured on interval scales. correct answers true
Nominal data represent the labels of multiple classes used to divide a variable into specific
groups. correct answers false
Descriptive statistics is all about describing the sample data on hand. correct answers true
Which type of visualization tool can be very helpful when a data set contains location data?
correct answers geographic map
, When you tell a story in a presentation, all of the following are true EXCEPT correct answers a
well-told story should have no need for subsequent discussion.
This measure of dispersion is calculated by simply taking the square root of the variations.
correct answers standard deviation
This technique makes no a priori assumption of whether one variable is dependent on the
other(s) and is not concerned with the relationship between variables; instead it gives an estimate
on the degree of association between the variables. correct answers correlation
________ regression is a very popular, statistically sound, probability-based classification
algorithm that employs supervised learning. correct answers Logistic
________ series forecasting is the use of mathematical modeling to predict future values of the
variable of interest based on previously observed values. correct answers time
The "islands of data" problem in the 1980s describes the phenomenon of unconnected data being
stored in numerous locations within an organization. correct answers true
Subject oriented databases for data warehousing are organized by detailed subjects such as disk
drives, computers, and networks. correct answers false
Properly integrating data from various databases and other disparate sources is a trivial process.
correct answers false
Data warehouses provide direct and indirect benefits to organizations. Which of the following is
an indirect benefit of data warehouses? correct answers improved customer service
How does the use of cloud computing affect the scalability of a data warehouse? correct answers
Hardware resources are dynamically allocated as use increases.
The role responsible for successful administration and management of a data warehouse is the
________, who should be familiar with high-performance software, hardware, and networking
technologies, and also possesses solid business insight. correct answers data warehouse
administrator (DWA)
What is the definition of a data warehouse (DW) in simple terms? correct answers A data
warehouse is "a pool of data produced to support decision making; it is also a repository of
current and historical data of potential interest to managers throughout the organization".
In the new economy, the wages for people with no technical training are going down. The wages
for people with advanced technical training are also going down. correct answers false
The key question, according to Cowen, is correct answers Are you good at working with
intelligent machines?