serious [Adjective] + difficulty [Noun]

Strength Strength Dispersion
A:
98
CHISQ:
469.27
AWT:
1,364,181
TTEST:
8.41
G2:
209.1
FAWT:
39.85
MI:
2.73
LOGLOG:
18.05
JD:
0.88
MI3:
15.96
DICE:
0.79
RANGE: