Question: 3.4 For the AR(2) model given by Xt--.9xt_2 + wt, follow the R code in Example 3.11 to find the roots of the autoregressive polynomial,



3.4 For the AR(2) model given by Xt--.9xt_2 + wt, follow the R code in Example 3.11 to find the roots of the autoregressive polynomial, find the pseud period of the process, and then plot the theoretical ACF, (h)
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