15_ch 20 Mechanical Design budynas_SM_ch20

15_ch 20 Mechanical Design budynas_SM_ch20 -...

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Unformatted text preview: budynas_SM_ch20.qxd 12/06/2006 18:53 Page 15 FIRST PAGES 15 Chapter 20 f 0.02 Histogram PDF 0.018 0.016 0.014 0.012 0.01 0.008 0.006 0.004 0.002 0 0 50 100 150 200 250 x 20-21 x f fx f x2 f/(Nw ) f (x) 174 182 190 198 206 214 222 1386 6 9 44 67 53 12 6 197 1044 1638 8360 13 266 10 918 2568 1332 39 126 181 656 298 116 1 588 400 2 626 668 2 249 108 549 552 295 704 7 789 204 0.003 807 0.005 711 0.027 919 0.042 513 0.033 629 0.007 614 0.003 807 0.001 642 0.009 485 0.027 742 0.041 068 0.030 773 0.011 671 0.002 241 x = 198.6091 ¯ x 170 170 178 178 186 186 194 194 202 202 210 210 218 218 226 226 f/(Nw ) 0 0.003 807 0.003 807 0.005 711 0.005 711 0.027 919 0.027 919 0.042 513 0.042 513 0.033 629 0.033 629 0.007 614 0.007 614 0.003 807 0.003 807 0 sx = 9.695 071 f (x) 0.000 529 0.000 529 0.004 297 0.004 297 0.017 663 0.017 663 0.036 752 0.036 752 0.038 708 0.038 708 0.020 635 0.020 635 0.005 568 0.005 568 0.000 76 0.000 76 f 0.045 0.04 Data PDF 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 150 x 170 190 210 230 ...
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