Answered: The scatter chart in the following…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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formula needed with excel please

Company
Alliant Techsystems
Amazon.com
AmerisourceBergen
Avis Budget Group
Boeing
Cardinal Health
Cisco Systems
Coca-Cola
ConocoPhillips
Costco Wholesale
CVS Caremark
Delta Air Lines
Fidelity National Financial
FMC Technologies
Foot Locker
General Motors
Harley-Davidson
HCA Holdings
Kraft Foods
Kroger
Lockheed Martin
Medco Health Solutions
Owens Corning
Pitney Bowes
Procter & Gamble
Ralph Lauren
Rockwell Automation
Rockwell Collins
United Stationers
United Technologies
UnitedHealth Group
Profits ($
millions)
313.20
631.00
706.60
-29.00
4018.00
959.00
6490.00
8572.00
12436.00
1462.00
3461.00
854.00
369.50
399.80
278.00
9190.00
599.10
2465.00
3527.00
602.00
2655.00
1455.70
276.00
617.50
11797.00
567.60
697.80
634.00
109.00
4979.00
5142.00
Market Capitalization
($ millions)
1891.90
81458.60
10087.60
1175.80
55188.80
14115.20
97376.20
157130.50
95251.90
36461.20
53575.70
7082.10
3461.40
12520.30
3547.60
32382.40
8925.30
9550.20
65917.40
13819.50
26651.10
21865.90
3417.80
3681.20
182109.90
12522.80
10514.80
8560.50
1381.60
66606.50
53469.40

Transcribed Image Text:The scatter chart in the following figure was created using sample data for profits and market capitalizations from a sample of firms in the Fortune 500. Click on the datafile logo to reference the data. DATA file Market Cap $ millione) 200000 160000 120000 80000 40000 0 4000 8000 Profits ($millions) 12000 16000 (a) Discuss what does this scatter chart indicates about the relationship between profits and market capitalization? The scatter chart indicates that there may be a - Select your answer - linear relationship between profits and market capitalization. (b) The data used to produce this are contained in the file Fortune 500. Calculate the covariance between profits and market capitalization. If required, round your answer to an integer. If your answer is negative use "minus sign". Discuss what does the covariance indicates about the relationship between profits and market capitalization? This indicates that there is a Select your answer - relationship between profits and market capitalization. (c) Calculate the correlation coefficient between profits and market capitalization. If required, round your answer to four decimal places. If your answer is negative use "minus sign". What does the correlation coefficient indicate about the relationship between profits and market capitalization? This indicates that there is a Select your answer - between profits and market capitalization.

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