explain [Verb] + unable [Adjective]

Strength Strength Dispersion
A:
33
CHISQ:
9.69
AWT:
3,002,361
TTEST:
2.38
G2:
9.08
FAWT:
18.11
MI:
0.77
LOGLOG:
3.89
JD:
0.84
MI3:
10.86
DICE:
0.27
RANGE: