Issuu

Analytics, Data Science, & Artificial Intelligence, 11e (Sharda) Chapter 1 Overview of Business Intelligence, Analytics, Data Science, and Artificial Intelligence: Systems for Decision Support 1) In the opening case KONE has minimized downtime and shortened the repair time. Answer: TRUE Diff: 2 Page Ref: 4 2) Intelligent technologies are limited to small-scale projects when they include AI combined with IoT. Answer: FALSE Diff: 2 Page Ref: 5 3) Decision making is one of the most important activities in organizations of all kind– probably the most important one. Answer: TRUE Diff: 1 Page Ref: 5 4) Managers historically considered decision making purely a science. Answer: FALSE Diff: 1 Page Ref: 6 5) With more data and analysis technologies, more alternatives can be evaluated, forecasts can be improved, risk analysis can be performed quickly, and the views of experts can be collected quickly and at a reduced cost. Answer: TRUE Diff: 2 Page Ref: 8 6) It is generally best to rely on a trial-and-error approach to management. Answer: FALSE Diff: 2 Page Ref: 7 7) A major characteristic of computerized decision support and many BI tools (notably those of business analytics) is the inclusion of at least one model. Answer: TRUE Diff: 2 Page Ref: 13 8) The definition of implementation is straightforward because implementation is a simple, direct process with defined boundaries. Answer: FALSE Diff: 2 Page Ref: 13 9) Structured problems are encountered in only unique situations. Answer: FALSE Diff: 3 Page Ref: 16

10) Unstructured problems can be fully supported by standard computerized quantitative methods. Answer: FALSE Diff: 3 Page Ref: 16 11) During the 1990s, the primary focus of information systems support for decision making focused on providing structured, periodic reports that a manager could use for decision making. Answer: FALSE Diff: 3 Page Ref: 22 12) Decision support systems couple the intellectual resources of individuals with the capabilities of the computer to improve the quality of decisions. It is a computer-based support system for management decision makers who deal with semistructured problems. Answer: TRUE Diff: 2 Page Ref: 22 13) The term decision support system is a very specific term that implies the same tool, system, and development approach to most developers. Answer: FALSE Diff: 3 Page Ref: 23 14) BI systems rely on a DW as the information source for creating insight and supporting managerial decisions. Answer: TRUE Diff: 2 Page Ref: 27 15) One of the four components of BI systems, business performance management, is a collection of source data in the data warehouse. Answer: FALSE Diff: 3 Page Ref: 25 16) Analytics is the process of developing actionable decisions or recommendations for actions based on insights generated from historical data. Answer: TRUE Diff: 3 Page Ref: 31 17) The use of dashboards and data visualizations is seldom effective in finding efficiencies in organizations, as demonstrated by the Seattle Children's Hospital Case Study. Answer: FALSE Diff: 2 Page Ref: 32 18) The use of statistics in baseball by the Oakland Athletics, as described in the Moneyball book, is an example of the effectiveness of prescriptive analytics. Answer: TRUE Diff: 2 Page Ref: 39

19) Pushing programming out to distributed data is achieved solely by using the Hadoop Distributed File System or HDFS. Answer: FALSE Diff: 2 Page Ref: 37 20) Volume, velocity, and variety of data characterize the Big Data paradigm. Answer: TRUE Diff: 2 Page Ref: 60 21) What type of external decision-making factor are included by government policy? A) political factors B) economic factors C) sociological and psychological factors D) environmental factors Answer: A Diff: 3 Page Ref: 6-7 22) What type of external decision-making factor are related to a country's market growth and financial conditions? A) political factors B) economic factors C) sociological and psychological factors D) environmental factors Answer: B Diff: 3 Page Ref: 6-7 23) What type of external decision-making factor are related to a company's ecosystem? A) political factors B) economic factors C) sociological and psychological factors D) environmental factors Answer: D Diff: 3 Page Ref: 6-7 24) Organization objectives comes in what stage of the decision-making process? A) intelligence B) design C) choice D) implementation Answer: A Diff: 2 Page Ref: 10

25) Setting the criteria for a choice comes in what stage of the decision-making process? A) intelligence B) design C) choice D) implementation Answer: B Diff: 2 Page Ref: 10 26) Sensitivity analysis comes in what stage of the decision-making process? A) intelligence B) design C) choice D) implementation Answer: C Diff: 2 Page Ref: 10 27) What is the conceptualization of a problem in an attempt to place it in a definable category, possibly leading to a standard solution approach? A) problem classification B) problem decomposition C) problem ownership D) problem design Answer: A Diff: 2 Page Ref: 12 28) What problem-solving step is based on the understanding that solving the simpler subproblems may help in solving a complex problem? A) problem classification B) problem decomposition C) problem ownership D) problem design Answer: B Diff: 2 Page Ref: 12 29) In the classic decision support framework, types of decisions are broken apart into all except one of the following categories. A) structured B) semistructured C) unstructured D) undefined Answer: D Diff: 2 Page Ref: 14-15

30) In the classic decision support framework, types of control are broken apart into all except one of the following categories. A) operational control B) managerial control C) strategic planning D) financial control Answer: D Diff: 2 Page Ref: 15 31) What type of analytics answers questions like "what happened?" A) descriptive B) predictive C) prescriptive D) business intelligence Answer: A Diff: 2 Page Ref: 31 32) All of the following have contributed to the growth of decision support systems EXCEPT: A) Group communication and collaboration. B) Improved data management. C) Anywhere, anytime support. D) Increasing costs of computer hardware. Answer: D Diff: 2 Page Ref: 7-9 33) Business intelligence (BI) can be characterized as a transformation of: A) data to information to decisions to actions. B) Big Data to data to information to decisions. C) actions to decisions to feedback to information. D) data to processing to information to actions. Answer: A Diff: 3 Page Ref: 25 34) Deep learning would be classified as what stage in the evolution of decision support, business intelligence, analytics & AI? A) Executive IT B) Business Intelligence C) Analytics D) Automation Answer: D Diff: 3 Page Ref: 22

35) Predictive analytics aims to: A) understand what happened in the past B) understand why something happened in the past C) determine what is likely to happen in the future D) describe what is currently occurring Answer: C Diff: 3 Page Ref: 33 36) What type of analytics answers questions like "what will happen?" A) descriptive B) predictive C) prescriptive D) business intelligence Answer: B Diff: 2 Page Ref: 31 37) What type of analytics answers questions like "what should I do?" A) descriptive B) predictive C) prescriptive D) business intelligence Answer: C Diff: 2 Page Ref: 31 38) When examining the analytic application of market basket analysis, which business question is not being asked? A) What products should I combined to create a bundle offer? B) Should I combined products based on slow-moving and fast-moving characteristics? C) What customer is buying what product at what location? D) Should I create a bundle from the same category or a different category line? Answer: C Diff: 3 Page Ref: 48 39) Which of the following statements about Big Data is true? A) Data chunks are stored in different locations on one computer. B) Hadoop is a type of processor used to process Big Data applications. C) MapReduce is a storage filing system. D) Pure Big Data systems do not involve fault tolerance. Answer: D Diff: 3 Page Ref: 37