Solution Manual for Business Analytics 2nd edition by James R. Evans All Chapters A+
21 views 0 purchase
Course
Business Analytics, 2nd Edition
Institution
Business Analytics, 2nd Edition
Solution Manual for Business Analytics 2nd edition by James R. Evans All Chapters A+Solution Manual for Business Analytics 2nd edition by James R. Evans All Chapters A+
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.
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.
11. The resulting data about online social media usage 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.
12. 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.
13.
Median Household
State
Income in 2013–2017 ($)
Alabama 46,472
Arizona 53,510
California 67,169
Florida 50,883
Georgia 52,977
Indiana 52,182
Iowa 56,570
Maine 53,024
Massachusetts 74,167
Minnesota 65,699
Mississippi 42,009
New Mexico 46,718
North Dakota 61,285
Washington 66,174
Source: http://www.census.gov/; Retrieved July 1, 2019.
These data are estimates for the period 2013–2017. The data are cross-sectional
data. In this particular group of states, Massachusetts has the highest median
income, whereas Mississippi has the lowest median income. Also, states in the
North such as Massachusetts, Minnesota, and Washington tend to have higher
incomes than Southern states.
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ASolution. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
