Mathematics, 22.09.2020 02:01, econsta3

Fit a regression line to the data shown in the chart, and find the coefficient of correlation for the line. Use the regression line to predict life expectancy in the year 2020, where x is the number of decades after 1900
year, X 0 (1900) 2 (1920) 4 (1940) 6 (1960) 8 (1980)
life expectancy, y 47.9 years 50.2 years 51.8 years 53.0 years 54.0 years

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Fit a regression line to the data shown in the chart, and find the coefficient of correlation for th...