Question: Consider the following time series data, which provides information about the percent change per year in Freda's retirement account: Year 2015 2016 2017 2018

Consider the following time series data, which provides information about the percent change per year in

Consider the following time series data, which provides information about the percent change per year in Freda's retirement account: Year 2015 2016 2017 2018 2019 % Change WMA(3) EWMA( = 0.7) +7 +2 -5 1 6 A B

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