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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2022
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Article
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Tab 3
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Research Article
Improved Estimation of Finite Population Variance Using Dual Supplementary Information under Stratified Random Sampling
Table 3
Summary statistics using population 2.
h
1
9
3
0.222
0.2647
253
253.4
5
31978.25
2
10
3
0.23
0.2941
213.5
226.8
5.5
37629.39
3
15
4
0.18
0.4411
157.9
170.2
8
6893.067