long-standing [Adjective] + problem [Noun]

Strength Strength Dispersion
A:
22
CHISQ:
36.22
AWT:
5,160,422
TTEST:
3.28
G2:
24.93
FAWT:
10.53
MI:
1.73
LOGLOG:
7.73
JD:
0.78
MI3:
10.65
DICE:
0.08
RANGE: