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When a Time Series Is Analyzed by the Model Yt

Question 93

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When a time series is analyzed by the model yt = Tt × St × It and the trend component Tt is set to be the centered moving average When a time series is analyzed by the model y<sub>t</sub> = T<sub>t</sub> × S<sub>t</sub> × I<sub>t</sub> and the trend component T<sub>t</sub> is set to be the centered moving average <sub>t</sub>, which of the following remains to be estimated? A) S<sub>t</sub> × I<sub>t</sub> <sub> B) </sub><sub> </sub>T<sub>t</sub> × S<sub>t</sub> <sub> C) </sub><sub> </sub>T<sub>t</sub> × I<sub>t</sub> <sub> D) </sub><sub> </sub>S<sub>t </sub>/ I<sub>t</sub> t, which of the following remains to be estimated?


A) St × It
B) Tt × St
C) Tt × It
D) St / It

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