Question: 3. Given the data Y1 : 10,172 : 9 and Y3 : 9.5, we want to t an ARIMA(0,1,1) model without a constant term. Estimate

3. Given the data Y1 : 10,172 : 9 and Y3

3. Given the data Y1 : 10,172 : 9 and Y3 : 9.5, we want to t an ARIMA(0,1,1) model without a constant term. Estimate (9 and JE using the method of least squares

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