The example in the section "Stratified Sampling" assumes that the sample of students was selected using a stratified simple random sampling design. This example shows analysis based on a more complex ...

New European Pharmacopoeia chapter aims to resolve problems with applying the harmonized UDU test to large sample sizes. Recent development in analytical technology has made possible the fast ...

A composite is formed by collecting multiple sample units and combining them in their entirety or in part, to form a new sample. The sample units that make up the composite may retain their integrity ...

The Periodic Labour Force Survey (PLFS) data for 2023–24 covering the period between July 2023 and June 2024 has been published recently by the National Statistical Office (NSS). The basic sample ...

This paper develops statistical inference based on a post-stratified probabilityproportional-to-size (pp) sample from a finite population. A ppsample selects the sample units with selection ...