Research Article

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

Table 6

Variance of estimators for .

cEstimators

0.017307.52724.338924.1640
0.037307.52724.299824.0232
0.057307.52724.260923.9270
0.077307.52724.222123.8492
0.17307.52724.164023.7518
0.37307.52723.782323.3229
0.57307.52723.410223.0351
0.77307.52723.047822.8056
1.07307.52722.522122.5221
1.37307.52722.018022.2838
1.57307.52721.693922.1424
1.77307.52721.379422.0116
2.07307.52720.925721.8317