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Kendall’s W test about different ranking.
| Rank methods | Number | Average grade | Kendall’s W coefficient | P value | Decision |
|---|---|---|---|---|---|
| Grey comprehensive weight-based relational degree | 46 | 1.48 | 0.002 | 0.739 | Keep the null hypothesis with no difference |
| Entropy weight-based relational degree | 46 | 1.52 |
