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8. Fit a straight line trend for the following series. X y 60 72 75 1980 1981 1982 1983 1984 1985 1986 1987 65

8. Fit a straight line trend for the following series. X y 60 72 75 1980 1981 1982 1983 1984 1985 1986 1987 65 80 85 95 ? Estimate the production in 1987. [Ans: = 76+ 4.85x and 1987 954]

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