Saudi Electronic Five Period Moving Average Operations Management Question

I’m working on a management multi-part question and need support to help me study.

Forecast the demand for week 7 using a five-period moving average? (Marks 1.5) (word count maximum:100)
Forecast the demand for week 7 using a three-period weighted moving average. Use the following weights: W1 = .4, W2 = .4, W3 = .2 (Marks 1.5) (word count maximum:100)
Forecast the demand for week 7 using exponential smoothing. Use ? value of .1 and assume the forecast for week 6 was 602 units? (Marks 1.5) (word count maximum:100)
What assumptions are made in each of the above forecasts? (Marks 0.5) (word count maximum:150)

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