Table 4 Degree of concentration of expert opinions
Indicators | M | K | Q + -Q- | extreme value difference |
|---|---|---|---|---|
1.3 Technical solutions | 4.429 | 0.524 | 2 | ≤2 |
2.4 Device installation | 4.857 | 0.857 | 1 | ≤2 |
3.1 Maintenance system | 4.571 | 0.619 | 2 | ≤2 |
3.7 Maintenance response | 4.810 | 0.810 | 1 | ≤2 |
3.16 Maintenance quality | 4.619 | 0.476 | 1 | ≤2 |
3.3 Complaint handling | 4.048 | 0.333 | 4 | > 2 |
… | … | … | … | … |