Improved Estimation of Finite Population Variance Using Dual Supplementary Information under Stratified Random Sampling

Table 11

Mean square error (MSE) of estimators using populations I–IV.

Estimators	Population-I	Population-II	Population-III	Population-IV
	425574	188538	187490767203	272821.8
	406392.3	26463.37	43171862172	31854.3
	262236.5	21238.9320	33852416340	27046.76
	245259.3	20723.0388	35152317012	13870.76
	305432.6	74105.54342	85427461629	106846.5
	766816.3	369760.8	90702804944	151191.5
	242985.20075	19524.586701	2800438826	8359.251
	117496.963	18484.11764	2407888213	4504.779