MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
2
(1) Do life expectancy and income appear to be associated or independent?
(2) Has the relationship between these variables been the same through the years, or has it changed?
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Transcribed Image Text:(1) Do life expectancy and income appear to be associated or independent? (2) Has the relationship between these variables been the same through the years, or has it changed?
ife expectancy r
years
Scatterplots are useful for visualizing the relationship between two numerical variables. The scatterplot below is from
gapminder.orge
INCOME LEVEL 1 •
LEVEL 2 • LEVEL 3 •
LEVEL 4
90
80
70
020
60
50
40
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Transcribed Image Text:ife expectancy r years Scatterplots are useful for visualizing the relationship between two numerical variables. The scatterplot below is from gapminder.orge INCOME LEVEL 1 • LEVEL 2 • LEVEL 3 • LEVEL 4 90 80 70 020 60 50 40
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