# HW3_Sol - 45 . 25 * 5 Not Circulate * Do / 2 HW #3...

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4 3, 9163 45 . 25 - 5 / 2 - 3 ( 29 . 56 ( 29 *** Do Not Circulate *** HW #3 Solutions 2.34 a) (1) (2) Centered MA Ratio Quarter Demand MA Centered MA on periods (1)/(2) 1 12 42.440 0.2828 2 25 41.25 42.440 0.5891 3 76 42.25 41.750 1.8204 4 52 41.25 44.00 43.125 1.2058 5 16 42.25 42.75 43.375 0.3689 6 32 44.00 45.25 44.000 0.7272 7 71 42.75 44.75 45.000 1.5778 8 62 45.25 48.00 46.375 1.3369 9 14 44.75 51.25 49.625 0.2821 10 45 48.00 47.50 49.375 0.9114 11 84 51.25 49.500 1.6970 12 47 47.50 49.500 0.9494 The four seasonal factors are obtained by averaging the appropriate quarters (1, 5, 9 for first; 2, 6, 10 for the second, etc.) One obtains the following seasonal factors 0.3112 0.7458 1.6984 1.1641 The sum is 3.9163. Norming the factors by multiplying each by = 1.0214 we finally obtain the factors: 0.318 2- 1

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16 45.25 - 5/ 2 - 1 ( 29 ..56 ( 29 32 45.25 - 5/ 2 - 2 ( 29 .56 ( 29 *** Do Not Circulate *** 0.758 1.735 1.189 b) Deseasonalized Quarter Demand Factor Series 1 12 0.318 37.74 2 25 0.758
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## This note was uploaded on 04/18/2010 for the course ISEN 315 taught by Professor Den during the Spring '10 term at Texas A&M University, Corpus Christi.

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HW3_Sol - 45 . 25 * 5 Not Circulate * Do / 2 HW #3...

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