obligation [Noun] + voluntary [Adjective]

Strength Strength Dispersion
A:
10
CHISQ:
13.67
AWT:
32,141,809
TTEST:
2.12
G2:
11.13
FAWT:
1.69
MI:
1.6
LOGLOG:
5.32
JD:
0.34
MI3:
8.25
DICE:
0.25
RANGE: