Mathematics
7 years ago

New estimator reduces error by 15% in population mean estimation.

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Bayero Journal of Pure and Applied Sciences
Modified ratio-product estimator of population mean in the presence of median and coefficient of variation of the auxiliary variable in stratified random sampling
Abubakar Yahaya, Umar Abdullahi

Paper Summary

The researchers developed a new way to estimate the average of a group using information about another related group. By using the median and variation of the related group, they created a more accurate estimate. Their method showed a 15% decrease in errors compared to existing methods. This new approach can help improve the accuracy of population estimates in surveys.

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