Särndal Approach and Separate Type Quantile Robust Regression Type Mean Estimators for Nonsensitive and Sensitive Variables in Stratified Random Sampling

Table 1

Population-1 characteristics.

	Stratum-I			Stratum-II
	Classical	MCD	MVE	Classical	MCD	MVE
	77.33154	164.1495	164.1400	101.2934	483.4461	483.4420
	865.4893	11.15646	11.15599	1396.477	21.56164	21.56149
	47736.96	1784	1782	138369.9	10056.53	10056.47
	3316.64	78.25	78.19	5070.565	135.1765	135.1761
	87	3550	3551	162.4348	4675.176	4675.169
	Stratum-III			Stratum-IV
	Classical	MCD	Classical	MCD	Classical	MCD
	237.0494	184.4691	184.4687	480.3166	585.9681	585.9677
	2158.906	55.76827	55.76819	3142.285	158.2194	158.2171
	83703.39	9307.089	9307.080	1489313	92319.03	92319.01
	6896.688	421.1	421.11	8607.812	759.1818	759.1815
	425.4375	6690.2	6690.0	874.5	7818.364	7818.357