50,000 - 37,500 - G D 25,000 P 12,500 0.5 1.0 1.5 2.0 2.5 3.0 Crowdedness

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Crowdedness In a Chance magazine article (Summer
2005), Danielle Vasilescu and Howard Wainer used data
from the United Nations Center for Human Settlements
to investigate aspects of living conditions for several
countries. Among the variables they looked at were the
country’s per capita gross domestic product (GDP, in $)
and Crowdedness, defined as the average number of
persons per room living in homes there. This scatterplot
displays these data for 56 countries:

a) Explain why you should re-express these data before
trying to fit a model.
b) What re-expression of GDP would you try as a start-
ing point?
50,000 -
37,500 -
G
D 25,000
P
12,500
0.5
1.0
1.5
2.0
2.5
3.0
Crowdedness
Transcribed Image Text:50,000 - 37,500 - G D 25,000 P 12,500 0.5 1.0 1.5 2.0 2.5 3.0 Crowdedness
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