https://doi.org/10.51514/JSTR.3.3.2021.33-39 Maniru Shehu and Ran Vijay Kumar Singh ABSTRACT In this paper a modified ratio-type exponential estimator for estimating population mean under stratified random sampling…
https://doi.org/10.51514/JSTR.3.3.2021.33-39 Maniru Shehu and Ran Vijay Kumar Singh ABSTRACT In this paper a modified ratio-type exponential estimator for estimating population mean under stratified random sampling…