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Homework 3 Solutions OM

# Homework 3 Solutions OM - Homework3Solutio ns...

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Ju A (a) (b) F F 4.4 (c) Th 4.6 January February March April May June July August September October November December Sum Average (a) (b) [i] [ii] [iii [iv]  uly June August July 0.2(F 42 0.2(40 0.2 41.6 0.2 F F he banking indus Y Sales 20 21 15 14 13 16 17 18 20 20 21 23 218 18.2 ] Naive T ] 3-month movi ] 6-month weig ] Exponential sm 18 0.3 18.6 0 19.02 19.6 0 Oct Nov Dec Jan F F F F  Forecasting erro 0 – 42) 41.6 2(Forecasting err 2(45 41.6) 4 stry has a great d X Period 1 2 3 4 5 6 7 8 9 10 11 12 78 6.5 he coming Janu ing (20 + 21 hted [(0.1 17 moothing with a (20 18) 18.6 0.3(20 18.6) 0.3(21 19.02) 0.3(23 19.6) 2 Homew BUSQOM r) ror) 2.3 deal of seasonali X 2 1 4 9 16 25 36 49 64 81 100 121 144 650 ary = December + 23)/3 = 21.33 7) + (.1 18) alpha = 0.3 19.02 19.6 20.62 21 work 3 Solutio 1070, Spring ity in its processi XY 20 42 45 56 65 96 119 144 180 200 231 276 1474 r = 23 + (0.1 + (0.2 2 = 20.6 ons g 2011 ing requirement 20) + (0.2 20) 21) + (0.3 23) s )]/1.0

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[v] Fo (c) O (9 (a) 4.8 (88 (b) (c) Temperatur 93 94 93 95 96 88 90 MAD = 13.5/ (d) MS (e) MA 4.9 (a, b) (c) MA M A Therefore, t ] Trend x orecast is the nly trend provid  9 68 89 0 ) 9 3 8 90) 89 2 re 2 day M.A.
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Homework 3 Solutions OM - Homework3Solutio ns...

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