challenging [Adjective] + environment [Noun]

Strength Strength Dispersion
A:
10
CHISQ:
105.36
AWT:
12,403,265
TTEST:
2.91
G2:
37.28
FAWT:
4.38
MI:
3.64
LOGLOG:
12.08
JD:
0.64
MI3:
10.28
DICE:
0.13
RANGE: