Question: For an MA(1), xt = wt + wt1, show that |x(1)| 1/2 for any number . For which values of does x(1) attain

For an MA(1), xt = wt + θwt−1, show that |ρx(1)| ≤ 1/2 for any number

θ. For which values of θ does ρx(1) attain its maximum and minimum?

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