Operations Management Assignment - 1609 Words

Question 1: a) Learning curve equation: Y(u) = au-b u | Y(u) | Ln(u)x | Ln(Y(u))y | x2 | xy | 13 | 276 | 2.565 | 5.620 | 6.579 | 14.415 | 29 | 198 | 3.367 | 5.288 | 11.337 | 17.805 | 41 | 171 | 3.714 | 5.142 | 13.794 | 19.097 | 71 | 137 | 4.263 | 4.919 | 18.173 | 20.969 | 127 | 107 | 4.844 | 4.673 | 23.464 | 22.636 | | Sum: | 18.753 | 25.642 | 73.347 | 94.922 | x = 18.7535 = 3.751 y = 25.6425 = 5.128 m = 594.922-[18.75325.642]573.347-(18.753)2 = -0.415 c = 5.128 – (-0.415)(3.751) = 6.685 a = e6.685 = 800.311 b = -m = 0.415 Y(u) = 800.31u-0.415 b) Average learning rate: L = 2-b = 2-0.415 = 0.750 L = 75% c) Cost for the 200th unit: Y(200) = 800.31(200)-0.415 = $88.78 Question 2: a) Values of k†¦show more content†¦G3=0.25145.49-136.34+1-0.259.65=9.53 F(Feb)=F4,5=S4+G4=145.49+9.53 =155.02 F(Mar)=F4,6=S4+2G4=145.49+29.53=164.55 Month | Dt | Ft | Et | |Et| | October | 117 | 118 | 1 | 1 | November | 126 | 127.69 | 1.69 | 1.69 | December | 134 | 137.12 | 3.12 | 3.12 | January | 144 | 145.99 | 1.99 | 1.99 | | | | Sum: | 7.8 | MAD = 7.84 = 1.95 Question 4: a) Seasonal Factors: | | | Centered | | | Period | Demand(A) | MA(4) | MA(B) | Ratio(A/B) | Quarter 2010, I | 1 | 51 | | 61.437 | 0.83 | II | 2 | 56 | | 61.437 | 0.91 | III | 3 | 75 | | 61.125 | 1.23 | IV | 4 | 62 | 61 | 61.75 | 1.00 | Quarter 2011, I | 5 | 52 | 61.25 | 63.875 | 0.81 | II | 6 | 60 | 62.25 | 66.875 | 0.89 | III | 7 | 88 | 65.5 | 65.375 | 1.35 | IV | 8 | 73 | 68.25 | 65.375 | 1.12 | Ratio = Demand/MA MA(4): Period 4:51+56+75+624 = 61 Period 5: 56+75+62+524 = 61.25 Period 6: 75+62+52+604 = 62.25 Period 7: 62+52+60+884 = 65.5 Period 8: 52+60+88+734 = 68.25 MA: Period 3:61+61.252 = 61.125 Period 4: 61.25+62.252 = 61.75 Period 5: 62.25+65.52 = 63.875 Period 6: 65.5+68.252 = 66.875 Periods 1, 2: 61.125+61.752 = 61.437 Periods 7, 8: 63.875+66.8752 = 65.375 Period | Seasonal Factors | Final Seasonal Factors | 1 | 0.82 | 0.81 | 2 | 0.9 | 0.88 | 3 | 1.29 | 1.27 | 4 | 1.06 | 1.04 | Total: | 4.07 | 4.00 | Seasonal Factors: Period 1:0.83+0.812 = 0.82 Period 2: 0.91+0.892 = 0.9 Period 3: 1.23+1.352 = 1.29 Period 4: 1.00+1.122 = 1.06 Final SeasonalShow MoreRelatedOPERATIONS MANAGEMENT ASSIGNMENT8173 Words   |  33 Pages LEADSTAR COLLEGE OF MANAGEMENT AND LEADERSHIP TUTOR MARKED ASSIGNMENT (TMA) FOR OPERATIONS MANAGEMENT ASSIGNMENT WEIGHT: 50% STUDENT NAME Abreham Kelile Kaba ID LMBA0013/2014 BACTH 1ST Part I: Multiple Choice Questions (1 point each) Choose the best answer from the following Questions _C__Q1.One advantage of Just-in-Time (JIT) Management of stock is _____a. 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