Life expectancy improved dramatically in the 20th century. The table gives the life expectancy at birth (in years) of males born in the United States. Use a scatter plot to choose an appropriate type of model. Use your model to predict the life span of a male born in the year 2010.

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Birth year Life expectancy Birth year Life expectancy 48.3 51.1 55.2 57.4 62.5 65.6 66.6 67.1 70.0 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 73.0