Table 3 Chi-Square analysis P-values (p < 0.05 significant)
From: Analysis of factors driving water main breaks across 13 Canadian utilities
Attributes | Failure type | Failure cause | Failure Month |
|---|---|---|---|
Material | 0.00 | 0.00 | 0.00 |
Diameter | 0.00 | 0.00 | 0.00 |
Soil type | 5.67e−12 | 2.29e−08 | 0.5 |
Joint type | 0.00 | – | 3.56e−99 |
Lining Material | 1.4e−56 | 6. e−25 | 2. e−13 |
Age | 0.00 | 1.96e-188 | 9.95e−170 |