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Consider the following time series data. (a) Choose 1 the correct time series plot. (i) (ii) (iii) (iv) otherwise. round intermediate calculation. Value = Qtr1

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Consider the following time series data. (a) Choose 1 the correct time series plot. (i) (ii) (iii) (iv) otherwise. round intermediate calculation. Value = Qtr1 + Qtr2 + Qtr3 (c) Compute the quarterly forecasts for the next year based on the model you developed in part (b). If required, round your answers to three decimal places. Do not round intermediate calculation. Quarter 1 in Year 1,t=2 for Quarter 2 in Year 1,t=12 for Quarter 4 in Year 3. Value = Qtr1 + Qtr2 + Qtr3 + t (e) Compute the quarterly forecasts for the next year based on the model you developed in part (d). Do not round your interim computations and round your final answers to three decimal places. (f) Calculate the MSE for the regression models developed in parts (b) and (d). If required, round your intermediate calculations and final answers to three decimal places. Is the model you developed in part (b) or the model you developed in part (d) more effective? The model developed in is more effective because it has the MSE

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