Use the High Closing Values of Naristar Inc $1990 - 2001$

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.
$\begin{array}{c|c|c|c}\text { Year } & \text { High } & \text { Year } & \text { High } \\\hline 1990 & 42 & 1996 & 47 \\1991 & 40 & 1997 & 60 \\1992 & 31 & 1998 & 61 \\1993 & 42 & 1999 & 57 \\1994 & 44 & 2000 & 54 \\1995 & 47 & 2001 & 30\end{array}$