Table 6.
Wilcoxon signed ranks test of alternatives' relational degrees.
| Weight methods | Level | Number | Z | P value | Decision |
|---|---|---|---|---|---|
| Grey comprehensive weight-based relational degree: Entropy weight-based relational degree | Negative | 42a | −4.856b | 0.000 | Reject the null hypothesis with difference |
| Positive | 4b | ||||
| Zero | 0c | ||||
| Total | 46 |
a
Grey comprehensive weight-based relational degree < Entropy weight-based relational degree;
b
Grey comprehensive weight-based relational degree > Entropy weight-based relational degree;
c
Grey comprehensive weight-based relational degree = Entropy weight-based relational degree.