Question: The data in Table P-13 are closing stock quotations for the DEF Corporation for 150 days. Determine the appropriate ARIMA model, and forecast the stock

The data in Table P-13 are closing stock quotations for the DEF for 150 days. Determine the appropriate ARIMA model, and forecast the stock price five days ahead from forecast origin t = 145. Compare your forecasts with the actual prices using the MAPE. How accurate are your forecasts?

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