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TEST BANK for Business Analytics: Communicating with Numbers 2nd Edition by Sanjiv Jaggia, Alison Kelly and Kevin Lertwachara. ISBN10: ISBN. (All Chapters 1-18)R601,74
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TEST BANK for Business Analytics: Communicating with Numbers 2nd Edition by Sanjiv Jaggia, Alison Kelly and Kevin Lertwachara. ISBN10: ISBN. (All Chapters 1-18)
Business Analytics: Communicating with Numbers 2nd Edition by Sanjiv Jaggia Professor, Alison Kelly Professor and Kevin Lertwachara. ISBN10: 0 ISBN13: 2802. All Chapters 1-18. 4 30 Pages. TEST BANK. TABLE OF CONTENTS Chapter 1: Introduction to Business Analytics Chapter 2: Data Management and Wrang...
business analytics communicating with numbers 2nd edition by sanjiv jaggia
alison kelly and kevin lertwachara
business analytics communicating with numbers 2nd edition by sanjiv jaggia
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Data Management and Wrangling
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Version 1 1 CHAPTER 1 TRUE/FALSE - Write 'T' if the statement is true and 'F' if the statement is false. 1) The ability to use qualitative reasoning with quantitative tools allows management to make decisions to improve business performance. ⊚ true ⊚ false 2) The use of historical information to predict what could happen in the future describes prescriptive analytics. ⊚ true ⊚ false 3) Data are the compilation of facts, figures, or other contents, both numerical and non-numerical. ⊚ true ⊚ false 4) Generally speaking, it is not feasible to obtain complete population data due to expense and near impossibility to examine every member of the population. ⊚ true ⊚ false 5) Collecting height data annually on the sample set of participants is an example of time series data. ⊚ true ⊚ false 6) Structured and unstructured data are only machine generated. ⊚ true ⊚ false 7) Numerical variables are either discrete or continuous. Version 1 2 ⊚ true ⊚ false 8) When each piece of data in a file is separated by a comma, it is called delimiter and the file is called a comma-spliced file. ⊚ true ⊚ false 9) When coding in HTML, <table> is a tag used to provide structure for textual data. ⊚ true ⊚ false 10) In XML, tags are not case-sensitive and are interchangeable. For example, <City>and <city>represent the same pieces of information. ⊚ true ⊚ false 11) Sally created a table that summarizes the dollar amount of last year’s sales for each store. This is an example of descriptive analytics. ⊚ true ⊚ false 12) Social media data, such as Twitter, Facebook, and TicTok are examples of structured data. ⊚ true ⊚ false 13) The characteristics marital status and income are examples of observations. ⊚ true ⊚ false Version 1 3 MULTIPLE CHOICE - Choose the one alternative that best completes the statement or answers the question. 14) Which of the following broad categories is not a type of analytic technique? A) manipulative analytics B) descriptive analytics C) predictive analytics D) prescriptive analytics 15) The people of Appleton, WI represent the __________blank, whereas we analyze the education level of a subset or __________blank to make inferences about the population. A) information; cross-section B) population; information C) items; sample D) population; sample 16) A massive volume of both structured and unstructured data that is extremely difficult to manage, process, and analyze is known by which catch phrase? A) wrangling B) big data C) data mining D) general data 17) The 2019 FIFA Women’s World Cup contained 52 matches in total with 24 teams competing. The use of __________blank data will display team standings during and at the end of the tournament. A) split-section B) organized C) cross-sectional D) numerical
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