Use the High Closing Values of Naristar Inc

Essay

Use the high closing values of Naristar Inc. stock from the years 1990 - 2001 to construct a time-series graph.
(Let x = 0 represent 1990 and so on.) Identify a trend. $$\begin{array} { c | c | c | c } \text { Year } & \text { High } & \text { Year } & \text { High } \\\hline 1990 & 42 & 1996 & 47 \\1991 & 40 & 1997 & 60 \\1992 & 31 & 1998 & 61 \\1993 & 42 & 1999 & 57 \\1994 & 44 & 2000 & 54 \\1995 & 47 & 2001 & 30 \\\hline\end{array}$$