Performance Analysis in Production Systems with Uncertain Data: A Stochastic Data Envelopment Analysis Approach

Table 4

Standard deviation of inputs.

DMUs	Electricity distribution companies	Deviation of the first input criterion	Deviation of the second input criterion	Deviation of the third input criterion	Deviation of the fourth input criterion	Deviation of the fifth input criterion	Deviation of the sixth input criterion	Deviation of the first output criterion	Deviation of the second output criterion
1	Azerbaijan	1089.883	1237.542	215.0558	1070.038	270.2961	775.2903	831.979	1673.598
2	Esfahan	1498.915	705.8272	319.7671	1188.98	428.8438	995.109	933.7435	2313.444
3	Kermanshah	322.6686	0	289.0778	1296.611	561.172	693.5971	678.1084	1340.566
4	Tehran	2489.094	2504.389	83.29466	1720.807	249.0723	1123.076	1623.369	3402.231
5	Khorasan	881.8044	908.9224	431.5762	771.0019	502.0667	926.4356	1356.391	1607.083
6	Khuzestan	297.5013	217.1843	366.632	2131.656	276.4489	1200.906	2192.867	2713.754
7	Zanjan	237.1139	313.7117	335.8794	695.6687	375.4917	513.3965	681.8732	918.4726
8	Semnan	134.3652	264.0417	280.8594	654.7603	106.6865	160.7389	812.4838	315.395
9	Sistan and Baluchestan	196.5782	197.9394	496.7202	603.1526	300.5495	327.6523	185.0081	685.6501
10	The west	371.9556	476.3024	396.2865	1144.02	255.3703	425.3939	1682.792	763.4743
11	Fars	1379.946	1118.915	634.9756	2660.342	739.18	1423.841	4040.326	2041.423
12	Kerman	224.6264	256.3416	285.8916	713.4466	312.9601	314.8651	626.4647	1252.81
13	Guilan	632.6855	562.7966	150.9967	497.6073	109.0138	286.4961	697.3034	606.6424
14	Mazandaran	251.6188	6.63325	53.64699	924.1342	529.2353	893.8775	472.1165	1412.197
15	Hormozgan	118.1397	216	377.599	1084.704	1882.73	824.2087	667.4624	2207.234
16	Yazd	185.1756	195.287	315.0286	648.9068	73.67496	224.0982	903.4788	1074.818