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...
,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 1
, ⊚ 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
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, 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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