( a) Develop a scatter diagram (6 Marks)
(b) Develop an exponential smoothing forecast using an alpha of 0.2 and a separate exponential smoothing forecast using an alpha of 0.9. (22 Marks)
(c) Compute the MSE for both forecasts from part b. Which is more accurate? (10 Marks)

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Month January February March April May June Diaper Sales 39 36 16 26 10 12 Month July August September October November December Diaper Sales 1 15 5 24 13 31 Month January February March April May June Diaper Sales 39 36 16 26 10 12 Month July August September October November December Diaper Sales 1 15 5 24 13 31