knotty [Adjective] + problem [Noun]

Strength Strength Dispersion
A:
13
CHISQ:
622.63
AWT:
6,206,063
TTEST:
3.53
G2:
86.87
FAWT:
8.76
MI:
5.63
LOGLOG:
20.84
JD:
0.7
MI3:
13.03
DICE:
0.05
RANGE: