longstanding [Adjective] + problem [Noun]

Strength Strength Dispersion
A:
11
CHISQ:
97.97
AWT:
9,752,020
TTEST:
3.01
G2:
37.57
FAWT:
5.57
MI:
3.43
LOGLOG:
11.86
JD:
0.68
MI3:
10.35
DICE:
0.04
RANGE: