A First-Order Autoregressive Model, AR (1) Was Fit to Monthly

Multiple Choice

A first-order autoregressive model, AR (1) was fit to monthly closing stock
Prices, adjusted for dividends, of Boeing Corporation from January 2006 through August
2008 (closing price on the first trading day of the month) . Based on the results shown
Below, the forecast a month in which the previous month's closing price was $67.52 is $$\begin{array}{l}\text { Final Estimates of Parameters }\\\\\begin{array} { l r r r r r } \text { Type } & \text { Coef } & \text { SE Coef } & \text { T } & \text { P } \\\text { AR } 1 & 0.9098 & 0.0969 & 9.39 & 0.000 \\\text { Constant } & 6.835 & 1.207 & 5.67 & 0.000\end{array}\end{array}$$

A) $74.06
B) $68.26
C) $65.67
D) $71.25
E) Cannot be determined from the information given.