CIS Ch.12
Data mining is typically used in which part of the business analytics process? Data Management Descriptive Analytics Predictive Analytics Prescriptive Analytics
Predictive Analytics
hich 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.
Business analytics (BA) is the process of developing actionable decisions or recommendations for actions based on insights generated from historical data. .(T/F)
True
Early information systems mainly supported the information roles of managers. (T/F)
True
Excel here is the most popular and common BA tool. (T/F)
True
Prescriptive analytics require predictive analytics. (T/F)
True
_____ is the study of the impact of a change in the assumptions (input data) on the proposed solution. What-if analysis Statistical analysis Sensitivity analysis Goal-seeking analysis Simulation
What-if analysis
Which of the following is not a reason that managers need IT support? number of alternatives is increasing decisions must typically be made under time pressure decisions are becoming less complex need to access remote information sources decision makers are often in different locations
decisions are becoming less complex
In the _____ phase of the decision making process, managers set criteria for the evaluation of alternative potential solutions. implementation choice design intelligence consideration
design
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 unstructured undocumented semistructured procedural
structured
How many data points are necessary in order to use linear regression in predictive analytics? 10 20 30 You can use any number of data points.
30
Which wall in the management cockpit room projects the performance of internal processes and employees? White Black Red Blue
Blue
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? Drill down Key performance indicators Status access Trend analysis Exception reporting
Exception reporting
In general, there are two specific analytics targets that represent different levels of change. (T/F)
False
Predictive analytics provide decision makers with guarantees about what will happen in the future. (T/F)
False
Prescriptive analytics present multiple future outcomes based on the decision maker's actions. (T/F)
False
The process for loading data into data warehouses and data marts is called extract, load and transform (ELT). (T/F)
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? What-if Statistical Sensitivity Goal-seeking Simulation
Goal-seeking
