Mathematics
3 years ago

New variance estimators promise more accurate population data sampling.

AIP conference proceedings
Hartley-ross type variance estimators in simple random sampling
Cem Kadılar, Hatice Öncel Çekim

Paper Summary

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The article improves estimators for calculating population variance in simple random sampling. The new estimators are based on previous work by Upadhyaya and Singh and Kadilar and Cingi. The researchers found conditions where the new estimators have smaller variance values compared to existing ones. They tested the new estimators using real data from the literature.