ch. 12 reading quiz

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

30

Which of the following is not a characteristic of DSS? They support only lower and middle-level managers. They are easy to use and construct. They can be adapted to changing conditions. They typically utilize quantitative models. They support all phases of the decision-making process.

They support all phases of the decision-making process.

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

What-if-analysis

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

blue

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

The most distinguishing characteristic of geographical information systems is: Every record or digital object has a unique identifier. Every record or digital object is visible to the user. Every record or digital object must be accessed by programmers. Every record or digital object has an identified geographical location. Every record or digital object is encrypted.

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

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 not a characteristic of DSS? support all managers relatively difficult to use and construct adaptable to changing conditions usually utilize quantitative models support all phases of the decision making process

relatively difficult to use and construct

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

structured

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