 18 ecart_type_moyen=   3.58282042
  88.6241989  580.181335  3.58282065  1454.28247
  153.550293  4092.9314  3.58282065  10259.3418
  254.703262  1447.04028  3.58282065  3627.15112
  261.761108  1363.86255  3.58282065  3418.65771
  379.262512  8090.39453  3.58282065  20279.3828
  460.340515  2863.94165  3.58282065  7178.75586
  467.0672  2508.55005  3.58282065  6287.93115
  475.19873  3150.18042  3.58282065  7896.2417
  513.992981  16755.834  3.58282065  42000.1719
  537.631531  316.28714  3.58282065  792.805298
  553.377991  1807.99182  3.58282065  4531.91211
  595.6203  604.266602  3.58282065  1514.65466
  604.433228  239.389984  3.58282065  600.054932
  620.575623  270.644043  3.58282065  678.396362
  691.813171  770.986755  3.58282065  1932.5553
  714.234497  1017.6524  3.58282065  2550.84741
  721.079407  921.209351  3.58282065  2309.10327
  729.008789  543.090759  3.58282065  1361.31128
