![SOLVED: Q.5 AR(1) ad MA(1) Models [16 marks] An AR(1) model CA be written aS X; = 0 + 0Xt-I+W. How is this model related to the random walk" 41 mnark] Under SOLVED: Q.5 AR(1) ad MA(1) Models [16 marks] An AR(1) model CA be written aS X; = 0 + 0Xt-I+W. How is this model related to the random walk" 41 mnark] Under](https://cdn.numerade.com/ask_images/6033c70bd115472d99c488af1ba2ed13.jpg)
SOLVED: Q.5 AR(1) ad MA(1) Models [16 marks] An AR(1) model CA be written aS X; = 0 + 0Xt-I+W. How is this model related to the random walk" 41 mnark] Under
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![SOLVED: Problem 3. 3.1 If X and Y are dependent but Var(X) Var(Y ) , find Cov( X +YX-Y)= Explain the [mplication of your results? 3.2 Let X have a distribution with SOLVED: Problem 3. 3.1 If X and Y are dependent but Var(X) Var(Y ) , find Cov( X +YX-Y)= Explain the [mplication of your results? 3.2 Let X have a distribution with](https://cdn.numerade.com/ask_images/6fce57d0d57f452fb2507661ce7dea56.jpg)
SOLVED: Problem 3. 3.1 If X and Y are dependent but Var(X) Var(Y ) , find Cov( X +YX-Y)= Explain the [mplication of your results? 3.2 Let X have a distribution with
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