NOAA Fisheries' Marine Recreational Information Program responds to questions about different types of survey errors, how they impact our estimates of recreational catch, and what we’re doing to ...

Cochran (1977) outlines eleven steps in the planning of a survey. Good sampling methods must exist in the environment of all of these steps. These steps are (1) a statement of the survey objectives, ...

This study proposes a novel variance estimator \({\widehat{S}}_{Y,K}^{2}\) under two-phase sampling, utilizing one auxiliary variable and one binary attribute to enhance estimation efficiency.

Why is data sampling important? Data sampling is a widely used statistical approach that can be applied to a range of use cases, such as analyzing market trends, web traffic or political polls. For ...