FRIEDMAN version 1.24 (Jan 17, 2002) http://ff123.net/
Tukey HSD analysis

Number of listeners: 17
Critical significance:  0.05
Tukey's HSD:   0.565

Means:

LAME_130 Nero_v1  CT_v1    Nero_v2  CT_v2    3gpp_v1  iTunes_L 
  4.62     2.57     2.45     2.41     2.31     2.08     1.62   

-------------------------- Difference Matrix --------------------------

         Nero_v1  CT_v1    Nero_v2  CT_v2    3gpp_v1  iTunes_L 
LAME_130   2.047*   2.165*   2.206*   2.312*   2.541*   3.000* 
Nero_v1             0.118    0.159    0.265    0.494    0.953* 
CT_v1                        0.041    0.147    0.376    0.835* 
Nero_v2                               0.106    0.335    0.794* 
CT_v2                                          0.229    0.688* 
3gpp_v1                                                 0.459  
-----------------------------------------------------------------------

LAME_130 is better than Nero_v1, CT_v1, Nero_v2, CT_v2, 3gpp_v1, iTunes_LC
Nero_v1 is better than iTunes_LC
CT_v1 is better than iTunes_LC
Nero_v2 is better than iTunes_LC
CT_v2 is better than iTunes_LC