Data Analytics Final Exam - 965 Verified Questions

Data Analytics Final Exam https://quizplus.com/study-set/2223 14 Chapters 965 Verified Questions

Data Analytics Final Exam Course Introduction Data Analytics explores the techniques and tools used to collect, process, analyze, and visualize data to extract meaningful insights and support decision-making. This course covers fundamental concepts such as data cleaning, statistical analysis, pattern recognition, and predictive modeling. Students learn to use industry-standard software for data manipulation and develop critical thinking skills to interpret data results in practical, real-world scenarios. By the end of the course, students will be equipped to handle large datasets, uncover trends, and communicate findings effectively to both technical and non-technical audiences.

Recommended Textbook Decision Support and Business Intelligence Systems 9th Edition by Efraim Turban

Available Study Resources on Quizplus 14 Chapters 965 Verified Questions 965 Flashcards Source URL: https://quizplus.com/study-set/2223

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Chapter 1: Decision Support Systems and Business Intelligence Available Study Resources on Quizplus for this Chatper 68 Verified Questions 68 Flashcards Source URL: https://quizplus.com/quiz/44187

Sample Questions Q1) ________ is a process of searching for unknown relationships or information in large

databases

or

data

warehouses,using

intelligent

tools

such

as

neural

computing,predictive analytics techniques,or advanced statistical methods.

Answer: Data Mining Q2) Which of the following is one of the two major types of Decision Support Systems?

A) Number-oriented B) Text-oriented C) Model-oriented D) Application-oriented Answer: C Q3) The two major DSS types are the <i>model-oriented DSS</i>,in which quantitative models

are

used

to

generate

a

recommended

solution

to

a

problem,and

<i>data-oriented DSS</i>,which support ad hoc reporting and queries.

A)True B)False Answer: True Q4) ________ is the first component of the DSS architecture.

Answer: Data Page 3 To view all questions and flashcards with answers, click on the resource link above.

Chapter 2: Decision Making, Systems, Modeling, and Support Available Study Resources on Quizplus for this Chatper 70 Verified Questions 70 Flashcards Source URL: https://quizplus.com/quiz/44188

Sample Questions Q1) Personality temperament tests are often used to determine decision styles.

A)True B)False Answer: True Q2) There is a continuous flow of activity from one phase to the next phase in a decision making process,but at any phase there may be a return to a previous phase.________ is an essential part of this process.

A) Testing B) Trial-and-error C) Experimenting D) Modeling Answer: D Q3) It is important to remove unneeded complexity from a model before handoff because as a tool becomes more complex it requires more automation.

A)True B)False Answer: False Q4) ________ is synonymous with the whole process of management.

Answer: Decision making

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Chapter 3: Decision Support Systems Concepts, Methodologies, and Technologies: Available Study Resources on Quizplus for this Chatper 70 Verified Questions 70 Flashcards Source URL: https://quizplus.com/quiz/44189

Sample Questions Q1) Planners Lab is a DSS ________ language.

Answer: modeling Q2) A(n)________ is a collection of interrelated data,organized to meet the needs and structure of an organization that can be used by more than one person for more than one application.

A) business intelligence B) expert system C) database D) data repository Answer: C Q3) A database is created,accessed,and updated by a(n)________.

A) expert system B) animation system C) knowledge system D) database management system Answer: D Q4) ________ describes the business analytics method of forecasting problems and opportunities rather than simply reporting them as they occur.

Answer: Predicative analytics

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Chapter 4: Modeling and Analysis Available Study Resources on Quizplus for this Chatper 69 Verified Questions 69 Flashcards Source URL: https://quizplus.com/quiz/44190

Sample Questions Q1) Distinguish between a static model and a dynamic model.

Q2) There is a trend toward developing and using Web tools and software to access and run software to perform modeling,optimization,and simulation,even though this has complicated the application of many models to real-world problems.

A)True B)False Q3) The use of an optimization model in the auction bidding process to award school meal contracts in Chile has significantly decreased costs.

A)True B)False Q4) One of the assumptions of the linear programming allocation model is that not all data are known with certainty.

A)True B)False Q5) ________ is the relational approach to the design and development of a model base management system.

Q6) List the steps involved in the simulation process.

Q7) List the type of relationships sensitivity analysis study can test.

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Chapter 5: Data Mining for Business Intelligence Available Study Resources on Quizplus for this Chatper 69 Verified Questions 69 Flashcards Source URL: https://quizplus.com/quiz/44191

Sample Questions Q1) ________ data mining finds patterns,associations,and other relationships hidden within datasets.It can uncover facts that an organization had not previously known or contemplated.

Q2) Clustering partitions a collection of things,such as objects and events presented in a structured dataset into segments whose members share similar characteristics.

A)True B)False Q3) Explain the simple split methodology for classification.Explain the advantages of the k-fold cross-validation methodology over the simple split methodology.

Q4) What is a major characteristic of data mining?

A) Data mining tools are readily combined with spreadsheets and other software development tools.

B) Because of the large amounts of data and massive search efforts, it is sometimes necessary to use serial processing for data mining.

C) Data are often buried within numerous small large databases, which sometimes contain data from several years.

D) The miner needs sophisticated programming skill.

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Chapter 6: Artificial Neural Networks for Data Mining Available Study Resources on Quizplus for this Chatper 67 Verified Questions 67 Flashcards Source URL: https://quizplus.com/quiz/44192

Sample Questions Q1) In network information processing,each input corresponds to one or two attributes.

A)True B)False Q2) Briefly describe backpropagation.

Q3) There are about 50 to 150 billion neurons in the human brain and these neurons are partitioned into groups called ________.

A) teams B) sects C) groups D) networks Q4) The ________ is the training procedure used by an artificial neural network.

Q5) Most implementations of the learning process in neural network include a counterbalancing parameter called ________ to provide a balance to the learning rate.

A) power B) energy C) force D) momentum Q6) The purpose of the neural network is to compute the ________ of the output.

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Chapter 7: Text and Web Mining Available Study Resources on Quizplus for this Chatper 69 Verified Questions 69 Flashcards Source URL: https://quizplus.com/quiz/44193

Sample Questions Q1) Which of the following correctly defines a text mining term?

A) Tagging is the number of times a word is found in a specific document.

B) A token is an uncategorized block of text in a sentence.

C) Rooting is the process of reducing inflected words to their base form.

D) A term is a single word or multiword phrase extracted directly from the corpus by means of NLP methods.

Q2) Unstructured data has a predetermined format.It is usually organized into records as categorical,ordinal,and continuous variables and stored in databases.

A)True B)False Q3) Stemming is the process of reducing inflected words to their base or root form.

A)True B)False Q4) Which of the following refers to developing useful information from the links included in the Web documents?

A) Web content mining B) Web subject mining C) Web structure mining D) Web matter mining To view all questions and flashcards with answers, click on the resource link above.

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Chapter 8: Data Warehousing Available Study Resources on Quizplus for this Chatper 69 Verified Questions 69 Flashcards Source URL: https://quizplus.com/quiz/44194

Sample Questions Q1) Guidelines that need to be considered when developing a vendor list include all of the following except: A) financial strength B) trade shows C) ERP linkages D) market share Q2) Data often are fragmented in distinct operational systems,so managers often make decisions with partial information at best.________ cuts through this obstacle by accessing,integrating,and

organizing

key

operational

data

in

a

form

that

is

consistent,reliable,timely,and readily available where needed.

Q3) Data warehouses contain vast amounts of internal data but are limited because they do not contain external data.

A)True B)False Q4) The main issues pertaining to ________ are the amount of data in the warehouse,how quickly the warehouse is expected to grow,the number of concurrent users,and the complexity of user queries.

Q5) List 5 factors that potentially affect the architecture selection decision.

Q6) List five benefits of a hosted data warehouse.

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Chapter 9: Business Performance Management Available Study Resources on Quizplus for this Chatper 69 Verified Questions 69 Flashcards Source URL: https://quizplus.com/quiz/44195

Sample Questions Q1) List the basic ingredients of good performance measures.

Q2) Lean manufacturing focuses on the elimination of waste or non-value-added activities,whereas Six Sigma focuses on reducing the variation or improving the consistency of a process.

A)True B)False Q3)

Which

of

the

following

identifies

and

customer,market,competitor,government,demographic,or

prioritizes actually

the

key

impacting

the

company?

A) SWOT B) SWAT C) ROA D) CSF Q4) Six Sigma and Lean Production both deal with ________.

Q5) An operational plan translates an organization's strategic objectives and goals into a set of well-defined tactics and initiatives,resource requirements,and expected results for some future time period,usually,but not always,a month.

A)True B)False 11 Q6) ________ refers to both the logicalPage and physical design of a system.

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Chapter 10: Collaborative Computer-Supported Technologies and Available Study Resources on Quizplus for this Chatper 70 Verified Questions 70 Flashcards Source URL: https://quizplus.com/quiz/44196

Sample Questions Q1) Which of the following is a gateway to a corporate Web site that enables communication,collaboration,and access to company information?

A) Corporate port B) Web portal C) Corporate gateway D) Enterprise portal Q2) The term,wiki,refers to the collaborative software that facilitates the operation of a wiki Web site;.and means ________ in the Hawaiian language.

A) slow B) quick C) integration D) collaboration Q3) Successful enterprise-wide collaboration systems such as Lotus Notes/Domino can be inexpensive to develop and operate because no support staff is required.

A)True B)False Q4) Describe the four cells frameworks of time and space in communications.

Page 12 Q5) ________ is a team whose members are in different places while in a meeting.

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Chapter 11: Knowledge Management Available Study Resources on Quizplus for this Chatper 70 Verified Questions 70 Flashcards Source URL: https://quizplus.com/quiz/44197

Sample Questions Q1) Knowledge has strong experiential and reflective elements that distinguish it from information in a given context.

A)True B)False Q2) Describe the Seven Principles for designing successful communities of practice.

Q3) Knowledge management is about building personal repositories of information at the department and organization levels.

A)True B)False Q4) The process approach attempts to ________ organizational knowledge through formalized controls,processes,and technologies.

Q5) Explicit knowledge deals with objective,rational,and technical knowledge.

A)True B)False Q6) Identify ways in which Artificial Intelligence helps knowledge management.

Q7) Define tacit knowledge.

Q8) Describe electronic document management.

Q9) Define explicit knowledge.

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Q10) What is a community of practice?

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Chapter 12: Artificial Intelligence and Expert Systems Available Study Resources on Quizplus for this Chatper 69 Verified Questions 69 Flashcards Source URL: https://quizplus.com/quiz/44198

Sample Questions Q1) ________ are intuitive knowledge,or rules of thumb,learned from experience.

Q2) The Web can greatly support the spread of multimedia-based ES.Such systems are called ________ systems.

Q3) The ________ is the foundation of an expert system,which includes the relevant knowledge necessary for understanding,formulating,and solving problems.

Q4) By implementing ES and other intelligent systems as knowledge servers,it becomes economically feasible and profi to publish expertise on the Web. A)True B)False Q5) Most technologies used to support decision situations where expertise is required use qualitative and/or mathematical models to provide the needed support.

A)True B)False Q6) The purpose of an intelligent computer-aided instruction (ICAI)is to learn.

A)True B)False Q7) Describe abilities that are signs of intelligence.

Q8) ________ is a test designed to measure the intelligence of a computer.

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Chapter 13: Advanced Intelligent Systems Available Study Resources on Quizplus for this Chatper 66 Verified Questions 66 Flashcards Source URL: https://quizplus.com/quiz/44199

Sample Questions Q1) Support vector machines (SVM)have a solid mathematical foundation in statistical learning theory,but are too complex for use in real-world applications.

A)True B)False Q2) STRATASSIST is a fuzzy ES that helps small- to medium-sized firms plan strategically by asking questions in five strategic,competitive areas.

A)True B)False Q3) ________ allows the computer to examine historical cases and generate rules that can be used to solve new problems or that can be deployed for automating a decision support process that repeatedly deals with a specific class of problems (e.g.,evaluating loan applications).

A) Exploration learning B) Case-based reasoning C) Explanation-based learning D) Inductive learning Q4) In machine learning,the ________ is a method for using a linear classifier algorithm to solve a nonlinear problem To view all questions and flashcards with answers, click on the resource link above.

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Chapter 14: Management Support Systems: Emerging Trends and Impacts Available Study Resources on Quizplus for this Chatper 70 Verified Questions 70 Flashcards Source URL: https://quizplus.com/quiz/44200

Sample Questions Q1) MySpace and Facebook,Wikipedia and YouTube are examples of ________.

A) Web logs B) online social networks C) social network analysis software D) Live Spaces Q2) Privacy is the right to be left alone and the right to be free from ________ personal intrusions.

Q3) In one view,intelligent systems and other MSS will cause massive ________ because of automating jobs,increased productivity,lower required skill levels,and impacts on all sectors of the economy.

Q4) The intention of ________ is to achieve a feeling of telepresence and participation from a distance.

A) active environments B) Wikia C) social networks D) virtual worlds Q5) ________ provide new immersive experiences for decision support and replicate many of the features of physical gatherings.

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