X fX)1 fX )2 fX)3 均数标准差 40.0001340.00171361.183E-05 f(X)1 3.90.0001990.00246651.781E05 f(X)2 011 0.9 3.80.0002920.00350672.659E-05 f(X)3 -3.70.0004250.00492433.9 3.60.0006120.00683015.7 0.5f(X) 3.50.0008730.00935738.4 -3.40.0012320.01266220.0 3.30.0017230.01692420.0 -3.20.0023840.02234320.0 -3.10.0032670.02913540 30.0044320.03752630.0 2.90.0059530.04774060. 2.80.0079150.059990.0 2.70.0104210.07445740.0 2.60.0135830.09127990.0 2.50.0175280.11053020.0 -2.40.0223950.1321980.0 3270.15617350.-4 10 2.20.0354750.18223340.0 2.10.0439840.21003280. 20.0539910.23910270.0087978 1.90.0656160.26885640.0112268 -1.80.078950.29860320.0142085 -1.70.0940490.32757210.0178341 1.60.1109210.35494220.0222006 1.50.1295180.37988030.0274087 -1.40.1497270.4015820.033560 1.30.1713690.41931470.0407541 1.20.1941860.43245830.0490827 1.10.2178520.44054140.0586268 10.2419710.44326920.0694505 -0.90.2660850.44054140.0815952 -0.80.2896920.43245830.0950748 -0.70.3122540.41931470.1098693 0.60.3332250.4015820.1259211 0.50.3520650.37988030.1431302 -0.40.368270.35494220.1613521 -0.30.3813880.32757210.1803969 -0.20.3910430.29860320.2000296 0.10.3969530.26885640.2199734 00.3989420.23910270.2399147 0.10.3969530.21003280.2595102 0.20.3910430.18223340.2783958 0.30.3813880.15617350.2961977 0.40.368270.1321980.3125443 0.50.3520650.11053020.3270787 0.60.3332250.09127990.3394718X f(X )1 f(X )2 f(X )3 均数 标准差 -4 0.000134 0.0017136 1.183E-05 f(X)1 0 1 -3.9 0.000199 0.0024665 1.781E-05 f(X)2 -1 0.9 -3.8 0.000292 0.0035067 2.659E-05 f(X)3 1 1.1 -3.7 0.000425 0.0049243 3.938E-05 -3.6 0.000612 0.0068301 5.783E-05 -3.5 0.000873 0.0093573 8.423E-05 -3.4 0.001232 0.0126622 0.0001217 -3.3 0.001723 0.0169242 0.0001743 -3.2 0.002384 0.0223432 0.0002476 -3.1 0.003267 0.0291354 0.000349 -3 0.004432 0.0375263 0.0004877 -2.9 0.005953 0.0477406 0.000676 -2.8 0.007915 0.05999 0.0009292 -2.7 0.010421 0.0744574 0.0012668 -2.6 0.013583 0.0912799 0.0017128 -2.5 0.017528 0.1105302 0.0022968 -2.4 0.022395 0.132198 0.0030546 -2.3 0.028327 0.1561735 0.004029 -2.2 0.035475 0.1822334 0.0052704 -2.1 0.043984 0.2100328 0.0068376 -2 0.053991 0.2391027 0.0087978 -1.9 0.065616 0.2688564 0.0112268 -1.8 0.07895 0.2986032 0.0142085 -1.7 0.094049 0.3275721 0.0178341 -1.6 0.110921 0.3549422 0.0222006 -1.5 0.129518 0.3798803 0.0274087 -1.4 0.149727 0.401582 0.0335602 -1.3 0.171369 0.4193147 0.0407541 -1.2 0.194186 0.4324583 0.0490827 -1.1 0.217852 0.4405414 0.0586268 -1 0.241971 0.4432692 0.0694505 -0.9 0.266085 0.4405414 0.0815952 -0.8 0.289692 0.4324583 0.0950748 -0.7 0.312254 0.4193147 0.1098693 -0.6 0.333225 0.401582 0.1259211 -0.5 0.352065 0.3798803 0.1431302 -0.4 0.36827 0.3549422 0.1613521 -0.3 0.381388 0.3275721 0.1803969 -0.2 0.391043 0.2986032 0.2000296 -0.1 0.396953 0.2688564 0.2199734 0 0.398942 0.2391027 0.2399147 0.1 0.396953 0.2100328 0.2595102 0.2 0.391043 0.1822334 0.2783958 0.3 0.381388 0.1561735 0.2961977 0.4 0.36827 0.132198 0.3125443 0.5 0.352065 0.1105302 0.3270787 0.6 0.333225 0.0912799 0.3394718