Question: Need the answer broken down. Not understanding it at all. (a) Using a weight of - for the most recent observation, - for the second
Need the answer broken down. Not understanding it at all.

(a) Using a weight of - for the most recent observation, - for the second most recent observation, and _ for third most recent observation, compute a three-week weighted moving average for the time series. (Round your answers to two decimal places.) Week Time Series Weighted Moving Value Average Forecast 1 17 2 21 3 19 4 23 5 18 6 16 20 8 18 22 10 20 11 15 12 22
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