service [Verb] + difficult [Adjective]

Strength Strength Dispersion
A:
4
CHISQ:
0.01
AWT:
21,049,259
TTEST:
0.08
G2:
0.31
FAWT:
2.58
MI:
0.06
LOGLOG:
0.11
JD:
0.51
MI3:
4.06
DICE:
0.04
RANGE: