A Distribution-Free Approach to Stochastic Efficiency Measurement with Inclusion of Expert Knowledge

Table 1

Control group: the error-free production units.

DMU	Output	Input 1	Input 2
1	12.55	2	12
2	10.43	3	8
3	9.68	4	6
4	9.53	5	4.8
5	9.68	6	4
6	10.01	7	3.43
7	10.43	8	3
8	11.45	10	2.4
9	11.99	11	2.18
10	12.55	12	2
11	13.12	13	1.85
12	14.25	15	1.6
13	15.36	17	1.41
14	16.46	19	1.26
15	16.99	20	1.2