challenging [Adjective] + less [Adverb]

Strength Strength Dispersion
A:
9
CHISQ:
6.64
AWT:
8,697,613
TTEST:
-3.82
G2:
6.85
FAWT:
6.25
MI:
-1.18
LOGLOG:
-3.75
JD:
0.64
MI3:
5.16
DICE:
0.07
RANGE: