Solutions for Essentials of Business Statistics, 3rd Edition Jaggia (All Chapters included)
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Course
Introduction to Statistics
Institution
Introduction To Statistics
Complete Solutions Manual for Essentials of Business Statistics, 3rd Edition by Sanjiv Jaggia, Alison Kelly ; ISBN13: 9781264098347. (Full Chapters included Chapter 1 to 14)..CHAPTER 1: Data and Data Preparation.
CHAPTER 2: Data Visualization.
CHAPTER 3: Numerical Descriptive Measures.
CHAPTER 4...
Essentials of Business Statistics
3rd Edition
by Sanjiv Jaggia
Complete Chapter Solutions Manual
are included (Ch 1 to 14)
** Immediate Download
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** All Chapters included
** Excel Workbooks
, Chapter 1. Data and Data Preparation
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 ave rage 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.
a. The relevant population consists of all US citizens born in 2019, excluding
non-binary individuals.
b. The averages are computed from the relevant samples.
7. The resulting data about living accommodations and expenses have a well-
defined row-column format, and therefore, are structured. The data are cross-
sectional data.
Note: Data will vary due to the nature of sampling.
8. The data are cross-sectional data.
Note: Data will vary due to the nature of sampling.
, 9. The data are time series data.
Note: Data will vary depending on the date of retrieval. These data were
retrieved July 2019.
10. 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.
11. 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.
12. 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.
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