Question: Data for 26 Western Hemisphere countries can be used to examine the association between life expectancy and the birth rate (number of births per 1000

Data for 26 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 Life Expectancy to Birth Rate and describe the association. Are the regression assumptions satisfied?
b) Is there an outlier? If so, set it aside and identify it before computing the regression.
c) Find the equation of the regression line with the outlier removed.
d) Make a plot of the residuals and comment.
e) Is the line an appropriate model?.
f) Interpret the value of R2.
g) If government leaders want to increase life expectancy, should they encourage women to have fewer children? Explain.

Birth Rate (births/ Country 1000 population) ife Expectancy 76.1 Argentina Barbados Belize Canada Chile Colombia Costa Rica Cuba Dominican Republic Ecuador El Salvador Guatemala Guyana Hait Honduras Jamaica Mexico Nicaragua Panama Paraguay Saint Kitts and Nevis Saint Lucia Saint Vincent and the 17.12 12.1 25.58 1028 14.12 16.98 16.25 9.92 19.21 19.23 1712 25.99 16.31 23.35 24.16 18.65 18.61 18.77 18.91 16.95 13.79 14.19 76.3 811 793 73.9 794 79.3 73.6 75.8 72.4 714 70.2 62.4 73.4 73.3 77.4 74.3 76.3 2.7 73.3 Grenadines Trinidad and Tobago Uruguay 14.12 14.07 13.28 72.5 70.3

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