Question

Given the following historical data, what is the moving-average forecast for period 6 based on the last three periods?
Period Value
1 33
2 28
3 25
4 32
5 27

Did is solve correctly I tried it in excel is 29.5 correct
or do avg(25+32+27)/3 =29
Please advise?

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Practical Management Science
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ISBN: 9781337406659
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Publisher: Cengage,
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