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

Number of listeners: 17
Critical significance:  0.05
Tukey's HSD:   0.572

Means:

LAME_130 CT_v1    Nero_v1  CT_v2    Nero_v2  3gpp_v1  iTunes_L 
  4.95     3.49     3.45     3.10     3.04     2.99     1.15   

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

         CT_v1    Nero_v1  CT_v2    Nero_v2  3gpp_v1  iTunes_L 
LAME_130   1.465*   1.500*   1.853*   1.918*   1.965*   3.806* 
CT_v1               0.035    0.388    0.453    0.500    2.341* 
Nero_v1                      0.353    0.418    0.465    2.306* 
CT_v2                                 0.065    0.112    1.953* 
Nero_v2                                        0.047    1.888* 
3gpp_v1                                                 1.841* 
-----------------------------------------------------------------------

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