ACC 271 Exam 1

Today, many vendors offer diversified tools, some of which are completely preprogrammed (called shells). How are these shells utilized?

All a user needs to do is insert the numbers.

Descriptive Analytics

Answers the question "What happened?"

When you tell a story in a presentation, all of the following are true EXCEPT

a well-told story should have no need for subsequent discussion.

Predictive Analytics

aims to determine what is likely to happen in the future

BI applications must be integrated with

databases, legacy systems, and enterprise systems

Which type of visualization tool can be very helpful when a data set contains location data?

geographic map

The competitive imperatives for BI include all of the following EXCEPT

right user

Big Data often involves a form of distributed storage and processing using Hadoop and MapReduce. One reason for this is

the processing power needed for the centralized model would overload a single computer.

Prescriptive Analytics

uses results of predictive analytics along with optimization and simulation tools to recommend actions that will lead to a desired outcome

Dashboard-Type Reports

Graphical presentation of several performance indicators in a single page using dials/gauges

Metric Management Reports

Help manage business performance through metrics (SLAs (service-level agreements) for externals; KPIs (key performance indicators) for internals) Can be used as part of Six Sigma and/or TQM (total quality management)

Balanced Scorecard-Type Reports

Include financial, customer, business process, and learning & growth indicators

The use of statistics in baseball by the Oakland Athletics, as described in the Moneyball case study, is an example of the effectiveness of prescriptive analytics.

True

This measure of central tendency is the sum of all the values/observations divided by the number of observations in the data set.

arithmetic mean

BI Competency Center

encourage interaction between the potential business user communities and the IS organization

What is the fundamental challenge of dashboard design?

ensuring that the required information is shown clearly on a single screen

The Internet emerged as a new medium for visualization and brought all the following EXCEPT

new forms of computation of business logic.