Question

The weekly demand (in cases) for a particular brand of automatic dishwasher detergent for a chain of grocery stores located in Columbus, Ohio, follows.
a. Construct a time series plot. What type of pattern exists in the data?
b. Use a three-week moving average to develop a forecast for week 11.
c. Use exponential smoothing with a smoothing constant of α = .2 to develop a forecast for week 11.
d. Which of the two methods do you prefer? Why?


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  • CreatedSeptember 20, 2015
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