Question: (7) Using the time series data given in the table below, calculate an exponential smoothing forecast for months 2 through 20. Use the smoothing constant

(7) Using the time series data given in the table

(7) Using the time series data given in the table below, calculate an exponential smoothing forecast for months 2 through 20. Use the smoothing constant value as 0.8. [3] I Month 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Demand 10 11 9 11 10 8 12 9 10 11 20 21 19 22 18 20 21 19 20 21 O

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