 23 ecart_type_moyen=   3.73397136
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  160.930893  1644.95374  3.73397255  4123.24072
  164.990601  10732.8408  3.73397255  26902.9375
  270.310516  442.843414  3.73397255  1110.03125
  275.737915  663.993591  3.73397255  1664.36621
  385.434113  3698.90112  3.73397255  9271.66504
  393.997772  4815.75195  3.73397255  12071.1631
  476.141541  959.297729  3.73397255  2404.57568
  479.838043  1057.26807  3.73397255  2650.14795
  490.146423  1723.06152  3.73397255  4319.02588
  497.832367  324.419159  3.73397255  813.189026
  504.300323  1151.31921  3.73397255  2885.89673
  516.309937  590.822815  3.73397255  1480.95642
  529.393433  9673.50293  3.73397255  24247.6016
  536.067871  3498.02759  3.73397255  8768.15527
  543.85376  1009.77722  3.73397255  2531.10742
  568.337158  1422.11182  3.73397255  3564.66528
  611.762695  4642.62744  3.73397255  11637.21
  658.965332  2975.92285  3.73397255  7459.44775
  659.563416  1226.10168  3.73397255  3073.34644
  718.228027  4727.79443  3.73397255  11850.6895
  718.368164  1195.95532  3.73397255  2997.78149
  732.366943  509.11972  3.73397255  1276.15942
