121
.700
.650
.550
.450
.400
.500
.600
15
17
18
19
20
21
22
23
24
25
Age building groups
Mean of Value ratio index
Fig. 9.5 Mean plot – rental units
Table 9.9 One-way ANOVA – rental units
Sum of squares
df
Mean square
F
Sig.
Between groups
.682
9
.076
5.592
.000
Within groups
2.994
221
.014
Total
3.676
230
Table 9.10 One-way ANOVA – owner-occupied units
Sum of squares
df
Mean square
F
Sig.
Between groups
.606
7
.087
8.959
.000
Within groups
.599
62
.010
Total
1.206
69
Table 9.11 One-way ANOVA – single-family residential units
Sum of squares
df
Mean square
F
Sig.
Between groups
.731
8
.091
7.093
.000
Within groups
1.804
140
.013
Total
2.535
148
Table 9.12 One-way ANOVA – duplexes and triplexes
Sum of squares
df
Mean square
F
Sig.
Between groups
.369
9
.041
3.072
.002
Within groups
1.896
142
.013
Total
2.265
151
9 Helping the Neighborhood: Creating a Sustainability Indicator of Substandard Housing