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

Number of listeners: 16
Critical significance:  0.05
Tukey's HSD:   0.637

Means:

LAME_130 Nero_v1  CT_v2    Nero_v2  3gpp_v1  CT_v1    iTunes_L 
  4.84     2.99     2.67     2.59     2.42     2.41     1.22   

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

         Nero_v1  CT_v2    Nero_v2  3gpp_v1  CT_v1    iTunes_L 
LAME_130   1.856*   2.169*   2.250*   2.419*   2.438*   3.625* 
Nero_v1             0.313    0.394    0.563    0.581    1.769* 
CT_v2                        0.081    0.250    0.269    1.456* 
Nero_v2                               0.169    0.187    1.375* 
3gpp_v1                                        0.019    1.206* 
CT_v1                                                   1.188* 
-----------------------------------------------------------------------

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