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Table 8 Descriptive statistics of DEA efficiency scores ( n 1 = 139)

From: Analyzing the efficiency of small and medium-sized enterprises of a national technology innovation research and development program

  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