disappointing [Adjective] + rather [Adverb]

Strength Strength Dispersion
A:
19
CHISQ:
3.14
AWT:
5,857,406
TTEST:
-2.13
G2:
2.82
FAWT:
9.28
MI:
-0.57
LOGLOG:
-2.44
JD:
0.79
MI3:
7.92
DICE:
0.18
RANGE: