rueful [Adjective] + grin [Noun]

Strength Strength Dispersion
A:
10
CHISQ:
3,182.98
AWT:
12,959,262
TTEST:
3.15
G2:
107.71
FAWT:
4.19
MI:
8.32
LOGLOG:
27.65
JD:
0.66
MI3:
14.97
DICE:
1.65
RANGE: