In many practical scenarios, estimating population variance is a crucial task with wide-ranging applications, spanning various domains including finance, healthcare, and weather forecasting. Actuaries ...

Generally it is a well-established notion that when the auxiliary variable is used appropriately in survey sampling, precision of the estimator is increased. Numbers of estimators exist in the ...

Researchers have demonstrated a cost-effective method for estimating population size using a combination of freely available community science data and small numbers of structured surveys. The study, ...