Using simple moving averages and the following time series data, respond to each of the items. a.

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Using simple moving averages and the following time series data, respond to each of the items.

Period Demand Period Demand 1 130 105 2 122 7 116 121 8 118 4 112 9. 142 141 10 125

a. G raph the time series data. What do you observe?

b. Compute all possible forecasts using a six-period simple moving average model.

c. Compute the MAD.

d. What is the forecast demand for period 11?

e. What is the error associated with the eleventh-period forecast?

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Statistical Techniques In Business And Economics

ISBN: 9781260239478

18th Edition

Authors: Douglas Lind, William Marchal, Samuel Wathen

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