Ch04A_Learning_Curves

Ch04A_Learning_Curves - Exhibit 4A.2 - Unit, Cumulative,...

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Exhibit 4A.2 - Unit, Cumulative, and Cumulative Average Direct Labor Worker-Hours Required for an 80 Percent Learning Curve 1 100,000 100,000 100,000 2 80,000 180,000 90,000 4 64,000 314,210 78,553 8 51,200 534,591 66,824 16 40,960 892,014 55,751 32 32,768 1,467,862 45,871 64 26,214 2,392,447 37,382 128 20,972 3,874,384 30,269 256 16,777 6,247,572 24,405 Unit Number Unit Direct Labor Hours Cumulative Direct Labor Hours Cumulative Average Direct Labor Hours
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100,000 80%
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Exhibit 4A.3A - Arithmetic Plot of 70, 80, and 90 Percent Learning Curves 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 0.0000 0.2000 0.4000 0.6000 0.8000 1.0000 1.2000 Arithmetic Plot of Different Learning Curves 70% 80% 90% Unit Number Unit Time
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Exhibit 4A.3B - Logarithmic Plot of an 80 Percent Learning Curve 80 1 10 100 1000 1 10 Column N Column P Unit Number Unit Time
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L% 80% T1 10 Unit Unit Time CumMult AverageTime 1 10.0000 10.0000 10.0000 2 8.0000 18.0000 9.0000 3 7.0210 25.0210 8.3403 4 6.4000 31.4210 7.8553 5 5.9564 37.3774 7.4755 6 5.6168 42.9942 7.1657 7 5.3449 48.3391 6.9056 8 5.1200 53.4591 6.6824 9 4.9295 58.3886 6.4876 10 4.7651 63.1537 6.3154 20 3.8121 104.8494 5.2425 30 3.3456 140.1989 4.6733 40 3.0497 171.9346 4.2984 50 2.8383 201.2171 4.0243 60 2.6765 228.6778 3.8113 70 2.5469 254.7081 3.6387 80 2.4397 279.5721 3.4947 90 2.3490 303.4584 3.3718 100 2.2706 326.5081 3.2651 200 1.8165 527.1996 2.6360 300 1.5942 696.6338 2.3221 400 1.4532 848.4873 2.1212 500 1.3525 988.4725 1.9769 600 1.2754 1119.6707 1.8661 700 1.2136 1243.9844 1.7771 800 1.1626 1362.6926 1.7034 900 1.1193 1476.7077 1.6408 1000 1.0820 1586.7092 1.5867
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Exhibit 4A.4 - Improvement Curves: Table of Unit Values Unit 60% 65% 70% 75% 80% 85% 90% 95% 1 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 2 0.6000 0.6500 0.7000 0.7500 0.8000 0.8500 0.9000 0.9500 3 0.4450 0.5052 0.5682 0.6338 0.7021 0.7729 0.8462 0.9219 4 0.3600 0.4225 0.4900 0.5625 0.6400 0.7225 0.8100 0.9025 5 0.3054 0.3678 0.4368 0.5127 0.5956 0.6857 0.7830 0.8877 6 0.2670 0.3284 0.3977 0.4754 0.5617 0.6570 0.7616 0.8758 7 0.2383 0.2984 0.3674 0.4459 0.5345 0.6337 0.7439 0.8659 8 0.2160 0.2746 0.3430 0.4219 0.5120 0.6141 0.7290 0.8574 9 0.1980 0.2552 0.3228 0.4017 0.4929 0.5974 0.7161 0.8499 10 0.1832 0.2391 0.3058 0.3846 0.4765 0.5828 0.7047 0.8433 11 0.1708 0.2253 0.2912 0.3696 0.4621 0.5699 0.6946 0.8374 12 0.1602 0.2135 0.2784 0.3565 0.4493 0.5584 0.6854 0.8320 13 0.1510 0.2031 0.2672 0.3449 0.4379 0.5480 0.6771 0.8271 14 0.1430 0.1940 0.2572 0.3344 0.4276 0.5386 0.6696 0.8226 15 0.1359 0.1858 0.2482 0.3250 0.4182 0.5300 0.6626 0.8184 16 0.1296 0.1785 0.2401 0.3164 0.4096 0.5220 0.6561 0.8145 17 0.1239 0.1719 0.2327 0.3085 0.4017 0.5146 0.6501 0.8109 18 0.1188 0.1659 0.2260 0.3013 0.3944 0.5078 0.6445 0.8074 19 0.1142 0.1604 0.2198 0.2946 0.3876 0.5014 0.6392 0.8042 20 0.1099 0.1554 0.2141 0.2884 0.3812 0.4954 0.6342 0.8012 21 0.1061 0.1507 0.2087 0.2826
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Ch04A_Learning_Curves - Exhibit 4A.2 - Unit, Cumulative,...

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