Some Improved Classes of Estimators in Stratified Sampling Using Bivariate Auxiliary Information

Table 2

and of different separate estimators.

	0.6		0.7		0.8		0.9		0.9		0.8		0.7		0.6
	0.6		0.7		0.8		0.9		0.8		0.7		0.6		0.5
	0.6		0.7		0.8		0.9		0.7		0.6		0.5		0.4
Estimators
	0	100	0	100	0	100	0	100	0	100	0	100	0	100	0	100
	1	92.12	1	119.54	1	154.96	1	212.28	1	236.66	1	167.43	1	128.43	1	103.45
	0	179.22	0	230.97	0	329.79	0	565.16	0	550.80	0	322.11	0	230.06	0	179.23
	3.86	179.56	3.45	230.95	3.15	328.24	2.95	563.35	2.97	542.16	3.20	320.77	3.51	230.00	4.00	177.21
	18.19	179.22	25.24	230.97	44.63	329.79	207.92	565.16	103.86	550.80	34.33	322.11	21.76	230.06	15.23	179.23
	19.00	1310	13.29	139.89	10.88	144.86	9.15	120.85	6.44	408.54	9.93	2311	14.77	171.73	24.64	142.28
	2.10	98.00	2.31	120.20	2.77	158.88	3.12	218.99	3.37	244.06	2.89	172.44	2.49	130.88	2.14	103.48
	2.75	116.92	3.40	148.73	4.00	202.91	4.90	308.00	5.31	342.15	4.30	219.35	3.36	151.53	2.70	120.77
	9.60	167.45	16.19	221.34	46.00	327.89	82.08	648.01	72.45	596.60	48.89	313.31	17.11	210.98	9.43	160.64
	2.12	96.87	2.30	117.99	2.59	155.02	3.09	214.47	3.30	242.00	2.88	173.07	2.45	127.76	2.09	104.55
	3.31	156.86	4.35	196.97	6.47	279.00	12.94	527.21	12.37	528.21	6.12	277.87	4.15	196.83	3.19	156.99
	9.35	179.22	7.66	230.97	6.46	329.79	5.73	565.16	5.42	550.80	6.15	322.11	7.31	230.06	9.19	179.23
	1.76	85.91	1.91	86.99	2.09	88.88	2.26	90.43	2.10	90.98	1.99	89.98	1.84	89.25	1.73	88.03
	9.93	179.22	8.11	230.97	6.77	329.79	5.89	565.16	4.13	550.80	4.82	322.11	5.70	230.06	7.20	179.23
	6.80	179.22	9.29	230.97	15.17	329.79	29.00	565.16	15.66	550.80	9.44	322.11	6.96	230.06	5.39	178.23
	3.84	181.09	5.23	236.97	7.87	346.65	16.71	674.85	16.38	732.28	7.51	348.81	4.83	232.03	3.52	178.24
	3.62	181.24	6.09	237.84	8.24	347.15	17.13	675.51	17.13	732.76	7.80	349.95	5.20	232.13	4.50	177.89
	3.84	181.85	5.90	237.57	8.20	349.17	17.76	676.74	17.10	732.99	7.98	351.53	5.32	234.11	4.23	176.97
	20.76	183.64	14.47	2415	5.44	352.99	3.46	679.74	3.20	751.32	5.15	353.82	14.67	236.78	17.00	182.52
	1.28	182.85	1.39	240.07	1.30	350.99	6.61	678.68	1.25	750.73	10	352.46	11	235.52	14	180.76
	3.88	182.17	5.25	239.47	8.07	350.59	17.00	678.96	17.59	749.83	7.80	352.69	4.95	235.75	3.63	180.77
	3.88	182.91	5.25	239.98	8.07	351.87	16.90	679.03	17.60	750.79	7.81	352.96	4.91	236.04	3.60	1817
	3.86	182.16	5.22	239.47	8.06	350.59	17.01	678.96	17.59	749.82	7.880	352.69	4.95	235.75	3.62	180.77