OS Life Expectancy at Birth of a Canadian Male Birth year 1920 1930 1940 1950 1960 1970 1980 1990 Life expectancy at birth (years) 63 66 Anir 59 60 68 69 72 75 a) Create a graph and draw the line of best fit for these data. b) Find an equation of the line of best fit. c) Estimate the life expectancy of a male born in 1975.

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