Subject Business Operations Management

Question

#2
The number of cans of soda sold in a machine each week is recorded below:
338, 219, 278, 265, 314, 323, 299, 259, 287, 302
A. Develop forecasts using a three-period moving average (MSE).
B. How many cans are expected to be sold in time frame 11?

#3
The number of new contributors to a public radio station's annual fund drive over the last ten years is 63, 58, 61, 72, 98, 103, 121, 147, 163, 198.
Calculate the MSE for a 3 & 4 week moving average.
Which weighted moving average is better and why?
Predict next year's number of new contributors.
The probabilities for 3 year are .20, .35, .45 and for 4-year are .15, .35, .30, .20

#4
Compute MAE, MSE, MAPE using the most recent value calculation.
Compute the forecast value for day 13.
Use a 2-day weighted moving average.
Probabilities are .45 and .55.

Day      1   2   3   4   5   6    7   8   9   10   11   12
Value 20 32 45 63 27 94 47 40 55   38 28 33

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Operations Management Questions

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