PDF(294 KB)
Ratio Estimation for the Population Mean Under Optimal Sampling Design
LONG Chunxian, CHEN Wangxue,YANG Rui,YAO Dongsen
Journal of Systems Science and Mathematical Sciences ›› 2020, Vol. 40 ›› Issue (2) : 375-381.
PDF(294 KB)
PDF(294 KB)
Ratio Estimation for the Population Mean Under Optimal Sampling Design
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