Research Article

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

Table 1

Variance of estimators for .

cEstimators

0.0142807.3100856.1266855.9508
0.0342807.3100856.0875855.8079
0.0542807.3100856.0484855.7097
0.0742807.3100856.0094855.6300
0.142807.3100855.9508855.5295
0.342807.3100855.5611855.0806
0.542807.3100855.1730854.7728
0.742807.3100854.7865854.5234
1.042807.3100854.2098854.2098
1.342807.3100853.6367853.9416
1.542807.3100853.2566853.7801
1.742807.3100852.8781853.6294
2.042807.3100852.3134853.4195