The Agricultural Exports (In Millions of Dollars) from a Latin

Essay

The agricultural exports (in millions of dollars) from a Latin American country for 10 years are shown below. $$\begin{array} { | c | c c | } \hline \text { Year } & t & \text { Exports } \\\hline 1988 & 1 & 96 \\1989 & 2 & 110 \\1990 & 3 & 125 \\1991 & 4 & 141 \\1992 & 5 & 132 \\1993 & 6 & 126 \\1994 & 7 & 118 \\1995 & 8 & 125 \\1996 & 9 & 133 \\1997 & 10 & 148 \\\hline\end{array}$$ a. Use the regression technique to calculate the linear trend line.
b. Calculate the percentage of trend.
c. Plot the percentage of trend.
d. Describe the cyclical effect (if there is one).