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I realize similar questions were already asked. These aren't the same questions or the same data...

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Basic Math

I realize similar questions were already asked. These aren't thesame questions or the same data set. please also explain how to dothis in excel.

For the Hawkins Company, the monthly percentages of allshipments received on time over the past 12 months are 78, 82, 84,83, 83, 84, 88, 84, 82, 83, 84, and 83.

1.) Create a three-month moving average forecast against anexponential smoothing forecast with ?=.2.

2.) Which forecasting method has the smallest error, use theMean Square Error (MSE) metric as the measure of modelaccuracy?

3.) What is the forecast for the 13th month using a three monthmoving average?

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