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Table 6 Descriptive statistics of DEA efficiency scores ( n 2 = 69)

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

  JV-Type1 JV-Type2 JV-Type3 Single-company
n 19 24 20 6
Min 0.638 0.516 0.560 0.566
Max 1.000 1.000 1.000 1.000
Median 1.000 0.848 1.000 0.871
Mean 0.902 0.836 0.915 0.823
IQR 0.286 0.319 0.217 0.386
StDev 0.142 0.162 0.152 0.202