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Table 7 Kruskal-Wallis tests on 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

i JV-Type n i Median Rank mean Z i
1 JV-Type1 19 1.000 36.8 0.46
2 JV-Type2 24 0.848 29.9 -1.53
3 JV-Type3 20 1.000 40.7 1.49
4 Single-company 6 0.871 30.8 -0.54
  Total 69   35.0  
  1. H = 4.12, DF = 3, P-value = 0.249 (tied-ranks adjusted).