Question: FILE Exercise _ 1 0 . 1 . The accompanying data file contains 2 0 observations for t and y t . a . Use

FILE Exercise_10.1. The accompanying data file contains 20 observations for t and yt.
a. Use the 3-period moving average for making forecasts.
b. Use the in-sample forecast errors to compute MSE, MAD, and MAPE.
c. Make a forecast for period 21.
FILE Exercise_10.1. The accompanying data file contains 20 observations for t

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