Question: Data on demand over the last few years are available as follows: Time period Demand 7 yrs ago 7 6yrs ago 28 5yrs ago 21
Data on demand over the last few years are available as follows:
Time period Demand
7 yrs ago 7
6yrs ago 28
5yrs ago 21
4yrs ago 42
3yrs ago 35
2yrs ago 56
Last year 49
What is this year's forecast using a four-year simple moving average?
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