===  MC === 
  x min    x max      eff   -err   +err  
-------- --------    ----- ------ ------ 
   0.000    0.250    1.000 -0.206 +0.000 
   0.250    0.500    0.976 -0.027 +0.016 
   0.500    0.750    0.963 -0.017 +0.013 
   0.750    1.000    0.947 -0.013 +0.013 
   1.000    1.250    0.945 -0.009 +0.008 
   1.250    1.500    0.951 -0.006 +0.006 
   1.500    1.750    0.946 -0.004 +0.004 
   1.750    2.000    0.948 -0.003 +0.003 
   2.000    2.250    0.951 -0.003 +0.003 
   2.250    2.500    0.956 -0.002 +0.002 
   2.500    2.750    0.953 -0.003 +0.002 
   2.750    3.000    0.957 -0.003 +0.003 
   3.000    3.250    0.956 -0.003 +0.003 
   3.250    3.500    0.954 -0.004 +0.004 
   3.500    3.750    0.959 -0.006 +0.005 
   3.750    4.000    0.970 -0.008 +0.006 
   4.000    4.250    0.943 -0.015 +0.013 
   4.250    4.500    0.927 -0.029 +0.023 
   4.500    4.750    0.942 -0.055 +0.031 
   4.750    5.000    1.000 -0.116 +0.000 


 ===  data === 
  x min    x max      eff   -err   +err  
-------- --------    ----- ------ ------ 
   0.000    0.250    0.800 -0.099 +0.067 
   0.250    0.500    0.951 -0.014 +0.011 
   0.500    0.750    0.918 -0.011 +0.010 
   0.750    1.000    0.926 -0.010 +0.009 
   1.000    1.250    0.916 -0.011 +0.010 
   1.250    1.500    0.914 -0.010 +0.009 
   1.500    1.750    0.904 -0.011 +0.010 
   1.750    2.000    0.916 -0.010 +0.009 
   2.000    2.250    0.924 -0.009 +0.008 
   2.250    2.500    0.936 -0.009 +0.008 
   2.500    2.750    0.926 -0.010 +0.009 
   2.750    3.000    0.916 -0.011 +0.010 
   3.000    3.250    0.934 -0.011 +0.009 
   3.250    3.500    0.905 -0.020 +0.017 
   3.500    3.750    0.941 -0.028 +0.020 
   3.750    4.000    0.924 -0.048 +0.032 
   4.000    4.250    0.931 -0.084 +0.044 
   4.250    4.500    0.889 -0.246 +0.090 
   4.500    4.750    0.750 -0.368 +0.208 
   4.750    5.000    1.000 -0.841 +0.000