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

Number of listeners: 18
Critical significance:  0.05
Tukey's HSD:   0.599

Means:

LAME_130 Nero_v1  CT_v1    Nero_v2  CT_v2    3gpp_v1  iTunes_L 
  4.71     3.67     3.47     3.23     3.23     3.23     1.29   

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

         Nero_v1  CT_v1    Nero_v2  CT_v2    3gpp_v1  iTunes_L 
LAME_130   1.044*   1.244*   1.478*   1.483*   1.483*   3.417* 
Nero_v1             0.200    0.433    0.439    0.439    2.372* 
CT_v1                        0.233    0.239    0.239    2.172* 
Nero_v2                               0.006    0.006    1.939* 
CT_v2                                          0.000    1.933* 
3gpp_v1                                                 1.933* 
-----------------------------------------------------------------------

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