Using simple moving averages and the following time series data, respond to each of the items. Period Demand 1 72 2 60 3 27 4 52 5 26 6 46 7 52 8 28 9 53 10 50 11 57 12 87 13 22 14 56 b and c. Compute all possible forecasts using a four-period & eight-period simple moving average model. (Round your answers to 3 decimal places.) d. Compute the MADs for each moving average forecast. (Round your answers to 3 decimal places.) e. Which forecast has less error?
Added by Carla B.
Step 1
Four-period simple moving average model: For period 5: (72+60+27+52)/4 = 52.750 For period 6: (60+27+52+26)/4 = 41.250 For period 7: (27+52+26+46)/4 = 37.750 For period 8: (52+26+46+52)/4 = 44.000 For period 9: (26+46+52+28)/4 = 38.000 For period 10: Show more…
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