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Business Analy�cs 3e Jeffrey Camm, James Cochran, Michael Fry, Jeffrey Ohlmann, David Anderson, Dennis Sweeney, Thomas Williams (Solu�ons Manual All Chapters, 100% Original Verified, A+ Grade) All Chapters Solu�ons Manual Supplement files download link at the end of this file. 1 / 4
Descriptive Statistics
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Chapter 2 Descriptive Statistics
Solutions:
- Quantitative
- Categorical
- Categorical
- Quantitative
- Categorical
- The top 10 countries according to GDP are listed below.
Country Continent GDP (millions of US$) United States North America 15,094,025 China Asia 7,298,147 Japan Asia 5,869,471 Germany Europe 3,577,031 France Europe 2,776,324 Brazil South America 2,492,908 United Kingdom Europe 2,417,570 Italy Europe 2,198,730 Russia Asia 1,850,401 Canada North America 1,736,869
- The top 5 countries by GDP located in Africa are listed below.
Country Continent GDP (millions of US$) South Africa Africa 408,074 Nigeria Africa 238,920 Egypt Africa 235,719 Algeria Africa 190,709 Angola Africa 100,948
- The sorted list of carriers appears below.
Carrier Previous Year On-time Percentage Current Year On-time Percentage Blue Box Shipping 88.4% 94.8% Cheetah LLC 89.3% 91.8% Smith Logistics 84.3% 88.7% Granite State Carriers 81.8% 87.6% 2 / 4
Descriptive Statistics
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Super Freight 92.1% 86.8% Minuteman Company 91.0% 84.2% Jones Brothers 68.9% 82.8% Honsin Limited 74.2% 80.1% Rapid Response 78.8% 70.9%
Blue Box Shipping is providing the best on-time service in the current year. Rapid Response is providing the worst on-time service in the current year.
- The output from Excel with conditional formatting appears below.
- The output from Excel containing data bars appears below.
- The top 4 shippers based on current year on-time percentage (Blue Box Shipping, Cheetah LLC,
Smith Logistics, and Granite State Carriers) all have positive increases from the previous year and high on-time percentages. These are good candidates for carriers to use in the future.
- The relative frequency of D is 1.0 – 0.22 – 0.18 – 0.40 = 0.20.
- If the total sample size is 200 the frequency of D is 0.20*200 = 40.
- and d.
Class Relative Frequency Frequency
% Frequency
A 0.22 44
22 3 / 4
Descriptive Statistics
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B 0.18 36
18
C 0.40 80
40
D 0.20 40
20
Total 1.0 200
100
- These data are categorical.
b.Website
Frequency % Frequency
FB 7 14
GOOG 14 28
WIKI 9 18
YAH 13 26
YT 7 14
Total 50 100
- The most frequent most-visited-website is google.com (GOOG); second is yahoo.com (YAH).
- Least = 12, Highest = 23
b.Percent Hours in Meetings per Week Frequency Frequency
11-12 1 4%
13-14 2 8%
15-16 6 24%
17-18 3 12%
19-20 5 20%
21-22 4 16%
23-24 4 16%
25 100%
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