knotty [Adjective] + problem [Noun]

Strength Strength Dispersion
A:
11
CHISQ:
191.19
AWT:
6,634,696
TTEST:
3.14
G2:
51.91
FAWT:
8.19
MI:
4.26
LOGLOG:
14.73
JD:
0.66
MI3:
11.18
DICE:
0.04
RANGE: