Question: Consider a nine-year moving average used to smooth a time series that was first recorded in 1984. a. Which year serves as the first centered

Consider a nine-year moving average used to smooth a time series that was first recorded in 1984.
a. Which year serves as the first centered value in the smoothed series?
b. How many years of values in the series are lost when computing all the nine-year moving averages?

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