Table 2.

Biweight variances and deficiencies: n = 10.

Tuning Constant	l.5xMAD — Fixed			1.5xMAD — Iterative			sbi — Fixed			sbi — Iterative
	Variance	SE	Deficiency (%)	Variance	SE	Deficiency (%)	Variance	SE	Deficiency (%)	Variance	SE	Deficiency (%)
Gaussian (optimal — 1.0)
3	1.1250	0.0109	11.1	1.1083	0.0115	9.8	1.1937	0.0146	16.2	1.1930	0.0156	16.2
4	.0578	0075	5.5	0469	0069	4.5	0961	0099	8.8	0800	0083	7.4
5	0319	0056	3.1	0236	0051	2.3	0479	0068	4.6	0335	0048	3.2
6	0198	0043	1.9	0133	0035	1.3	0259	0048	2.5	0145	0032	1.4
7	0126	0031	1.2	0074	0026	0.7	0145	0034	1.4	0056	0013	0.6
8	0084	0024	0.8	0039	0017	0.4	0078	0023	0.8	0037	0013	0.4
9	0059	0019	0.6	0029	0019	0.3	0042	0015	0.4	0027	0013	0.3
One-Wild (optimal = 1.1111)
3	1.2785	0.0116	13.1	1.2781	0.0114	13.1	1.3414	0.0161	17.2	1.3413	0.0168	17.2
4	1.2946	0109	14.1	1.3105	0117	15.2	2709	0112	12.6	1.2630	0105	12.0
5	1.3714	0137	19.0	1.4125	0159	21.3	2775	0104	13.0	1.2828	0102	13.4
6	1.4990	0189	25.9	1.5948	0246	30.3	3257	0115	16.2	1.3794	0141	19.4
7	1.6793	0253	33.8	1.8333	0332	39.4	4196	0163	21.7	1.5757	0242	29.5
8	1.9034	0331	41.6	2.1332	0445	47.9	5621	0223	28.9	1.9037	0397	41.6
9	2.1590	0420	48.5	2.4703	0580	55.0	7562	0301	36.1	2.3703	0591	53.1
Slash (optimal = 5.9843)
3	7.0895	0.2795	15.6	7.4991	0.3348	20.2	6.4815	0.2422	7.7	6.5367	0.2465	8.5
4	7.9896	3382	25.1	8.6854	0.4129	31.1	7.1538	.2796	16.3	7.6037	0.3339	21.3
5	8.9977	4355	33.5	10.819	0.9005	44.7	8.0679	3586	25.8	9.2930	0.7666	35.6
6	10.261	5815	41.7	14.567	1.4310	58.9	8.9836	4739	33.4	11.167	0.8863	46.4
7	11.487	7135	47.9	25.156	8.6783	76.2	10.555	7319	43.3	22.739	7.8504	73.7
8	12.692	8214	52.8	28.036	9.0950	78.6	11.705	5120	51.6	28.258	8.5066	78.8
9	13.999	9294	57.3	33.752	9.4908	82.3	12.908	6051	58.4	31.727	8.9310	81.1