 23 ecart_type_moyen=   3.80319285
  99.0712204  529.891357  3.80319405  1328.22559
  156.276978  1398.11462  3.80319405  3504.51392
  162.214264  14350.1426  3.80319405  35970.0664
  265.472717  1286.36523  3.80319405  3224.40308
  271.490112  1588.50964  3.80319405  3981.75806
  380.49115  9314.94629  3.80319405  23348.8438
  389.092743  13345.3135  3.80319405  33451.3633
  468.753937  2195.06934  3.80319405  5502.16064
  474.395508  3863.8877  3.80319405  9685.2207
  484.970612  4317.38037  3.80319405  10821.9453
  493.217102  1339.49951  3.80319405  3357.58936
  499.747223  2787.05859  3.80319405  6986.04102
  511.204071  1641.56689  3.80319405  4114.75146
  524.16687  25573.6328  3.80319405  64102.8672
  531.066895  9443.81152  3.80319405  23671.8574
  539.356689  2759.6521  3.80319405  6917.34375
  563.546875  3679.02246  3.80319405  9221.83691
  606.027344  1019.68439  3.80319405  2555.94067
  616.336426  400.936493  3.80319405  1004.98737
  629.620239  385.062683  3.80319405  965.198059
  710.535278  6012.05273  3.80319405  15069.8105
  725.987183  899.713989  3.80319405  2255.2229
  735.442505  593.821045  3.80319405  1488.4718
