Research Article
Evaluating the Effect of Roadway and Development Factors on the Rural Road Safety Risk Index
Table 8
ANOVA test for the proposed safety risk index.
| Parameter estimates |
| Parameter | Estimate | Std. error | 95% confidence interval | Lower bound | Upper bound | b1 | 1.01 | 0.07 | 0.84 | 1.18 |
| ANOVAa | Source | | Sum of squares | df | Mean squares | Regression | | 231.74 | 1 | 231.74 | Residual | | 1.26 | 5 | 0.25 | Uncorrected total | | 233.00 | 6 | | Corrected total | | 150.20 | 5 | |
| Dependent variable: risk value | a. R squared = 1 − (residual sum of squares)/(corrected sum of squares) = 0.99 |
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