Question: Weekly demand for an item averaged 100 units over the past year. Actual demand for the next eight weeks is shown in what follows: a.

Weekly demand for an item averaged 100 units over the past year. Actual demand for the next eight weeks is shown in what follows:

a. Plot the data on graph paper.

b. Letting α = 0.25, calculate the smoothed forecast for each week.

c. Comment on how well the forecast is tracking actual demand. Is it lagging or leading actual demand?

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