coal [Noun] + quality [Noun]

Strength Strength Dispersion
A:
7
CHISQ:
13.91
AWT:
15,251,447
TTEST:
-7.15
G2:
17.14
FAWT:
3.56
MI:
-1.89
LOGLOG:
-5.3
JD:
0.63
MI3:
3.73
DICE:
0.06
RANGE: