Question: a. How is the moving average different from the original series? b. For trend-seasonal analysis, why do we use exactly one year of data at

a. How is the moving average different from the original series?
b. For trend-seasonal analysis, why do we use exactly one year of data at a time in the moving average?
c. Which components remain in the moving average? Which are reduced or eliminated?

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a A moving average is a new series created by averaging nearby observations of a time series ... View full answer

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