Wiley Chapter 12

How many data points are necessary in order to use linear regression in predictive analytics?

30

DSS characteristics include which of the following?

All of the following: support managers at all organizational levels support all phases of the decision making process adaptable to changing conditions usually utilize quantitative models

Which of the following is not true of predictive analytics?

All of the statements are true: Predictive analytics are used to detect patterns. Predictive analytics provide estimates about the likelihood of a future outcome. Predictive analytics are based on probabilities.

Business analytics applications include:

All of these: Microsoft Excel spreadsheets Data warehouses Special purpose analytic packages

Which of the manager's roles do modern information systems support?

All of these: Interpersonal Roles Informational Roles Decisional Roles

Which wall in the management cockpit room projects the performance of internal processes and employees?

Blue

_____ refers to applications and technologies for consolidating, analyzing, and providing access to vast amounts of data to help users make better business and strategic decisions.

Business Analytics

_____ are computer-based information systems that combine models and data in an attempt to solve semistructured and some unstructured problems with extensive user involvement.

Decision support systems

Which capability of digital dashboards enables users to go into greater detail?

Drill down

The most distinguishing characteristic of geographical information systems is:

Every record or digital object has an identified geographical location.

Which capability of digital dashboards enables users to have reports that highlight deviations larger than certain thresholds?

Exception reporting

In general, there are two specific analytics targets that represent different levels of change.

False

Predictive analytics provide decision makers with guarantees about what will happen in the future.

False

Prescriptive analytics present multiple future outcomes based on the decision maker's actions.

False

The process for loading data into data warehouses and data marts is called extract, load and transform (ELT).

False

This information system uses data visualization technologies to analyze and display data in the form of digital maps for planning and decision making purposes.

Geographical information system

At the end of a semester, a student knows that she must score at least an 81 on the final exam to receive an A in the course. She decided that she can make the 81 by studying the material only the night before the exam. She has just performed what kind of analysis?

Goal-seeking

Data mining is typically used in which part of the business analytics process?

Predictive Analytics

Which of the following is true of prescriptive analytics?

Prescriptive analytics recommend one or more courses of action and show the likely outcome of each decision.

_____ is the study of the impact that changes in one or more variables of a decision-making model have on other variables.

Sensitivity analysis

Which of the following is not a reason that managers need IT support?

The number of alternatives is decreasing.

Which of the following is not a characteristic of DSS?

They support all phases of the decision-making process.

Business analytics (BA) is the process of developing actionable decisions or recommendations for actions based on insights generated from historical data. .

True

Early information systems mainly supported the information roles of managers.

True

Excel here is the most popular and common BA tool.

True

Prescriptive analytics require predictive analytics.

True

_____ is the study of the impact of a change in the assumptions (input data) on the proposed solution.

What-if analysis

Characteristics of an organizational decision support system include which of the following?

affects several organizational units or corporate problems cuts across organizational functions or hierarchical layers involves computer-based technologies integrates with enterprise-wide information systems

Which of the following is not a reason that managers need IT support?

decisions are becoming less complex

In the _____ phase of the decision making process, managers set criteria for the evaluation of alternative potential solutions.

design

Searching for valuable business information in a database, data warehouse, or data mart refers to _____.

expert system queries (should be data mining)

An important trend is the combination of geographical information systems with _____ to form geospatial technologies.

global positioning systems

Which of the following is not a characteristic of DSS?

relatively difficult to use and construct

Which of the following is not a tool used in predictive analytics?

sensitivity analysis

The type of decision that can be made by following a definite procedure is called a(n) ______ decision.

structured