Enhanced Estimation of the Population Mean Using Two Auxiliary Variables under Probability Proportional to Size Sampling

Table 3

Mean square error using populations I–IV.

Estimators	Population I	Population II	Population III	Population IV
	10912.68	1787.199	44.90188	100.3909
	13411.29	1684.362	12.52686	58.73176
	34947.23	2718.195	146.8676	239.7047
	8727.695	1625.876	12.48477	58.46867
	8845.341	1632.261	20.01553	67.35446
	19613.31	2149.177	87.18591	157.8409
	8094.949	1173.437	12.19147	54.10766
	8744.609	2161.294	12.45004	59.57694
	8284.748	1952.753	12.18903	57.18008
	10580.8	1357.066	44.11679	93.7129
	5896.661	1011.209	6.718704	34.53855
	5904.974	1015.374	6.720231	34.62848
	5895.906	1010.584	6.718607	34.52858
	5902.215	1019.606	6.724496	34.715
	5896.104	1010.921	6.719113	34.55203
	5896.024	1011.886	6.72083	34.59813
	5897.618	1013.319	6.718731	34.54611
	5895.878	1010.467	6.718764	34.5332
	5913.195	1021.46	6.720505	34.66159
	5947.337	1028.864	6.738172	34.79359