Survey sampling and estimation methods form the cornerstone of modern statistical inference, underpinning research across the social, medical, and natural sciences. At their heart, these methods ...

The Journal of Geo-information Science recently published an online article on research led by researcher Lianfa Li and researcher Xiaomei Yang (Institute of Geographic Sciences and Natural Resources ...

Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...

Zoe Short shows off a monarch butterfly she named Russell in front of UW’s Berry Biodiversity Conservation Center pollinator garden. Short, a recent UW graduate from Douglas, was the lead author of a ...

Sampling is a technique in which samples are drawn at random (without any favor or bias). For this, suitable measures or procedures may be laid down and adopted according to the nature and ...

Suggested Citation: "5 Sampling and Estimation." National Academies of Sciences, Engineering, and Medicine. 2018. Reengineering the Census Bureau's Annual Economic Surveys. Washington, DC: The ...

Most programs will utilize a sampling method to obtain student work – especially when using the method of course-embedded assessment. Sampling is used to keep the assessment process manageable when ...

A recent article explained the role of Gas Chromatography-Mass Spectrometry (GC/MS) in the analytics laboratory. The current article focuses on reviewing the technology used for preparing volatile ...