some major determinants of life expectancy, and the extent of their positive or negative impact. A nation’s GDP per capita, AIDS rate, and its number of physicians per 10,000 people impact life expectancy. Whether or not a country has an electoral democracy is not statistically significant at a 95% confidence level. In doing our study, we randomly selected 50 nations, compiled data for each nation, and ran multiple regressions, as well as histograms and scatterplots to determine the interrelationships…
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