Question: Consider the following time series data, which provides information about the percent change per year in Freda's retirement account: Year Change WMA(3) EWMA() = 0.7)

Consider the following time series data, which
Consider the following time series data, which provides information about the percent change per year in Freda's retirement account: Year Change WMA(3) EWMA() = 0.7) 2015 +7 2016 +2 B 2017 -5 A 2018 1 2019 6 If we use the weights of 4/9, 1/3, and 2/9, we find that the value of A would be: O -0.556 O 1.889 -0.778 2.667 Oo

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