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

Number of listeners: 13
Critical significance:  0.05
Tukey's HSD:   0.657

Means:

LAME_130 Nero_v1  CT_v1    3gpp_v1  Nero_v2  CT_v2    iTunes_L 
  4.82     3.63     3.45     3.33     2.83     2.80     1.75   

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

         Nero_v1  CT_v1    3gpp_v1  Nero_v2  CT_v2    iTunes_L 
LAME_130   1.192*   1.369*   1.492*   1.992*   2.023*   3.069* 
Nero_v1             0.177    0.300    0.800*   0.831*   1.877* 
CT_v1                        0.123    0.623    0.654    1.700* 
3gpp_v1                               0.500    0.531    1.577* 
Nero_v2                                        0.031    1.077* 
CT_v2                                                   1.046* 
-----------------------------------------------------------------------

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