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Table 9 Kruskal-Wallis tests on 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

i GS Class n i Median Rank mean Z i
1 GS-Class1 34 0.816 95.5 4.25***
2 GS-Class2 69 0.588 66.0 -1.15
3 GS-Class3 20 0.453 46.3 -2.84***
4 GS-Class4 8 0.794 85.3 1.10
5 GS-Class5 8 0.436 39.9 -2.18**
  Total 139   70.0  
  1. H = 27.04***, DF = 4, P-value = 0.000 (tied-ranks adjusted).