Table 8 Descriptive statistics of DEA efficiency scores ( n 1 = 139)
GS-Class1 | GS-Class2 | GS-Class3 | GS-Class4 | GS-Class5 | |
|---|---|---|---|---|---|
n | 34 | 69 | 20 | 8 | 8 |
Min | 0.397 | 0.267 | 0.261 | 0.444 | 0.219 |
Max | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 |
Median | 0.816 | 0.588 | 0.453 | 0.794 | 0.436 |
Mean | 0.793 | 0.628 | 0.530 | 0.757 | 0.483 |
IQR | 0.372 | 0.247 | 0.293 | 0.512 | 0.429 |
StDev | 0.176 | 0.216 | 0.211 | 0.264 | 0.271 |