Answered: Birth Rate (births/ Country 1000…

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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Question

Life expectancy 2010 Data for 24 Western Hemisphere
countries can be used to examine the association between
life expectancy and the birth rate (number of births per
1000 population).
a) Create a scatterplot relating these two variables and
describe the association.
b) Find the equation of the regression line.
c) Interpret the value of R2
.
d) Make a plot of the residuals. Are any countries
unusual?
e) Is the line an appropriate model?
f) If you conclude that there is an outlier, set it aside and
recompute the regression.g) If government leaders want to increase life expectancy,
should they encourage women to have fewer children?
Explain.

Birth Rate (births/
Country
1000 population)
Life Expectancy
Argentina
18
77
Bahamas, The
16
70
Barbados
13
74
Belize
27
68
Bolivia
26
67
Canada
10
81
Chile
15
77
Colombia
18
74
Costa Rica
17
78
Dominican Republic
22
74
Ecuador
21
75
El Salvador
25
72
Guatemala
28
70
Honduras
26
70
Jamaica
20
74
Мxico
20
76
Nicaragua
23
72
Panama
20
77
Paraguay
28
76
Puerto Rico
12
79
United States
14
78
Uruguay
14
76
Venezuela
74
Virgin Islands
12
79

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