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

Number of listeners: 10
Critical significance:  0.05
Tukey's HSD:   0.790

Means:

LAME_130 CT_v1    Nero_v1  3gpp_v1  Nero_v2  CT_v2    iTunes_L 
  4.81     4.62     4.46     4.20     3.87     3.70     2.69   

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

         CT_v1    Nero_v1  3gpp_v1  Nero_v2  CT_v2    iTunes_L 
LAME_130   0.190    0.350    0.610    0.940*   1.110*   2.120* 
CT_v1               0.160    0.420    0.750    0.920*   1.930* 
Nero_v1                      0.260    0.590    0.760    1.770* 
3gpp_v1                               0.330    0.500    1.510* 
Nero_v2                                        0.170    1.180* 
CT_v2                                                   1.010* 
-----------------------------------------------------------------------

LAME_130 is better than Nero_v2, CT_v2, iTunes_LC
CT_v1 is better than CT_v2, iTunes_LC
Nero_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