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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).
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