# Improved estimator of population total in PPS sampling

> Research article (Communication in Statistics- Theory and Methods, 2017) · cited 16× · AI/ML

**Wikidata**: [openalex:W2604270156](https://www.wikidata.org/wiki/openalex:W2604270156)  
**Source**: https://4ort.xyz/entity/improved-estimator-of-population-total-in-pps-sampling