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Suppose that you are not sure that MA(2) (moving average for two years) is the best model for these data, so you also fit MA(3),

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Suppose that you are not sure that MA(2) (moving average for two years) is the best model for these data, so you also fit MA(3), MA(5), and MA(7) models. A plot of these models is displayed below. Which model fit gives the BEST description of the trend component? A. MA(2) B. MA(3) C. MA(5) D. MA(7)

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