Requirements:Moving Averages.  Use the below actual sales to calculate a

three-year average which will be used as the forecast for next periods (chapter 14, text).Exponential Smoothing. Use the same data to forecast sales for the next periods with α=.40 (chapter 14, text).Regression Analysis on Excel. Draw a scatter graph from Insert/Graph/Scatter graph selections in Excel (chapter 15, text).

Month Actual Sales

1 3050

2 2950

3 3670

4 2910

5 3340

6 4060

7 4750

8 5510

9 5280

10 5504

11 5810

12 6100

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