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Hi Requesting some urgent assistance in answering the question below. please show detailed worki The following two models have been suggested for representing some quar-

Hi Requesting some urgent assistance in answering the question below. please show detailed worki

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The following two models have been suggested for representing some quar- terly data with underlying seasonality. Model 1 1'; = cull/L4 + ft Model 2 Y; = (3514 + 5: where s: is a white noise process in each case. (i) Determine the auto-correlation function for each model. (ii) State the features of the sample auto-correlation that would lead you to prefer Model 1

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