Learn how representative samples and random samples differ and why combining them minimizes sampling bias for accurate data.

Sampling of water systems for Legionella, Pseudomonas aeruginosa or bacteriological can be somewhat daunting, with thoughts of "do I need to sample," "how to take a sample" and "where should I send ...

Stratified mean-per-unit sampling is a key tool used by auditors. The popularity of this statistical procedure arises from its unique ability to produce trustworthy ...

Scientists from 25 countries have received IAEA training on environmental sampling analysis to help them mitigate the impacts of radioactivity in the environment. The IAEA’s training workshop for the ...

We can all agree that there are few marketing techniques older than sampling. Distributing samples has always been an incredibly effective way for brands to convert new customers and gain attention in ...

Manure has always been a valuable input to agricultural soils in our region. The value of manure has increased significantly in the last few years as the cost of commercial fertilizers has climbed to ...

Publicly held companies, or private companies that apply for credit, must have routine audits of financial transactions conducted. Outside agencies, not affiliated with the company, perform these ...

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 ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

It would be intuitive to think that companies in the business of providing product samples to consumers on behalf of consumer brands and retailers would have been largely upended by the Covid pandemic ...