Life expectancy 2010 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...

Life expectancy 2010 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 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.