toughest [Adjective] + course [Noun]

Strength Strength Dispersion
A:
5
CHISQ:
27.12
AWT:
25,737,643
TTEST:
1.93
G2:
15.4
FAWT:
2.11
MI:
2.86
LOGLOG:
6.65
JD:
0.48
MI3:
7.51
DICE:
0.04
RANGE: