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

Number of listeners: 18
Critical significance:  0.05
Tukey's HSD:   0.340

Means:

LAME_130 Nero_v1  CT_v1    Nero_v2  CT_v2    3gpp_v1  iTunes_L 
  4.74     3.30     3.18     3.10     3.09     2.97     1.49   

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

         Nero_v1  CT_v1    Nero_v2  CT_v2    3gpp_v1  iTunes_L 
LAME_130   1.437*   1.559*   1.635*   1.649*   1.771*   3.242* 
Nero_v1             0.122    0.198    0.213    0.334    1.806* 
CT_v1                        0.076    0.091    0.212    1.683* 
Nero_v2                               0.014    0.136    1.607* 
CT_v2                                          0.121    1.593* 
3gpp_v1                                                 1.472* 
-----------------------------------------------------------------------

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
3gpp_v1 is better than iTunes_LC