Estimation of Finite Population Mean under Probability-Proportional-to-Size Sampling in the Presence of Extreme Values

Table 4

Variance of estimators for .

c	Estimators
	0.01	11399.6700	56.9788	56.8035
0.03	11399.6700	56.9397	56.6619
0.05	11399.6700	56.9007	56.5649
0.07	11399.6700	56.8618	56.4863
0.1	11399.6700	56.8035	56.3877
0.3	11399.6700	56.4186	55.9508
0.5	11399.6700	56.0402	55.6550
0.7	11399.6700	55.6681	55.4175
1.0	11399.6700	55.1220	55.1220
1.3	11399.6700	54.5903	54.8717
1.5	11399.6700	54.2438	54.7223
1.7	11399.6700	53.9037	54.5836
2.0	11399.6700	53.4056	54.3916