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

Number of listeners: 12
Critical significance:  0.05
Tukey's HSD:   0.612

Means:

LAME_130 Nero_v2  CT_v2    CT_v1    3gpp_v1  Nero_v1  iTunes_L 
  4.91     3.96     3.86     3.77     3.75     3.59     1.80   

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

         Nero_v2  CT_v2    CT_v1    3gpp_v1  Nero_v1  iTunes_L 
LAME_130   0.950*   1.050*   1.133*   1.158*   1.317*   3.108* 
Nero_v2             0.100    0.183    0.208    0.367    2.158* 
CT_v2                        0.083    0.108    0.267    2.058* 
CT_v1                                 0.025    0.183    1.975* 
3gpp_v1                                        0.158    1.950* 
Nero_v1                                                 1.792* 
-----------------------------------------------------------------------

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