Solutions for Business Analytics, 2nd Edition Jaggia (All Chapters included)
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Course
Business Analytics
Institution
Business Analytics
Complete Solutions Manual for Business Analytics, 2nd Edition by Sanjiv Jaggia, Alison Kelly, Kevin Lertwachara, Leida Chen ; ISBN13: 9781264302802. (Full Chapters included Chapter 1 to 18)...
Chapter 1: Introduction to Business Analytics.
Chapter 2: Data Management and Wrangling.
Chapter 3: S...
Complete Chapter Solutions Manual
are included (Ch 1 to 18)
** Immediate Download
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** All Chapters included
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,Chapter 1. Introduction to Business
Analytics
Solutions
1.
a. The relevant population consists of all Americans.
b. The estimates for averages are based on sample data.
2. The value 35 is the estimated average age of the population. It is both costly and
time-consuming (likely impossible) to take a census of all video game players and
compute the actual average age.
3.
a. The population is all students enrolled in the accounting class.
b. The value 3.29 represents the population parameter since we are not choosing a
sample but drawing results from the actual population.
4.
a. The population is all recent college graduates with an engineering degree.
b. No, the average salary is a sample statistic computed from a sample, not the
population.
5.
a. The population is all elderly people. The sample consists of 949 elderly people.
b. 22% and 17% represent sample statistics.
, 6. The data are cross-sectional data.
Note: Data will vary due to the nature of sampling.
7. The data are time series data.
Note: Data will vary depending on the date of retrieval. These data were retrieved July
2019.
8. The front page of the New York Times website is likely to be textual (written
reports) with multimedia contents (photographs, etc.). The resulting data are
unstructured in that they do not conform to a predefined row-column format.
9. Data on price and fuel economy of small hybrid vehicles can be specified in a
predefined row-column format, and therefore, are structured.
Note: Data will vary due to the nature of sampling.
10. The data for Under Armour’s annual revenue are structured since they are specified
in a well-defined row-column format. The data are time series data.
Note: Data will vary depending on the date of retrieval. These data were retrieved
July 2019.
Annual Revenue
Year
(in $ millions)
2018 $5,193
2017 $4,989
2016 $4,833
2015 $3,963
2014 $3,084
2013 $2,332
2012 $1,835
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