Question

lass Work)
1. The following table gives the production of steel (in millions of tonnes) for the years
1976 to 1986
Year
1976 1977 1978 1979 1980 1981
Production 0 4 2 6 8
Year
1982 1983 1984 1985 1986
Production 5 9 4 10 10
Fit a trend line to the above data by the graphical method
1.B Fit a trend line to the above data by the method of least squares. Also obtain the trend​

Answer 1

year 1976=1977=1978=1979=1980=1981