Calificaciones segundo parcial valor 20%

                           3 AB                         3 CD                           3 E
Num lista.      Porcentage                  Porcentage             Porcentage
   1                        7.5%                         14 %                     10%
   2                        4%                            17%                        7 %
   3                      11%                             6.5%                     9 %
   4                       4.5%                         13.5%                       1%
   5                      ---- %                           1.5 %                    16%
   6                       8 %                            14  %                          5 %
   7                        7 %                              5.5 %                     4 %
   8                        7%                               4.5%                      3.5%
   9                         5%                               4.5%                  12.5%
  10                      7.5%                            18  %                     15%
 11                       9.5%                               8.5%                   10%
  12                       3 %                              16.5 %                   2.5%
  13                        3 %                               2   %                   10.5%
 14                        3.5 %                             2   %
  15                       9.5%                             9    %
  16                        7.5%                           10.5 %
  17                        8.5%                             9.5%
  18                        15.5%                            6 %
  19                        5%                          
  20                        7%
 21                         14.5 %
  22                          6 %
23                            5%
24                             1%