rickety [Adjective] + staircase [Noun]

Strength Strength Dispersion
A:
7
CHISQ:
3,903.69
AWT:
14,457,986
TTEST:
2.64
G2:
87.68
FAWT:
3.76
MI:
9.13
LOGLOG:
25.63
JD:
0.63
MI3:
14.74
DICE:
1.23
RANGE: