Learn the distinctions between simple and stratified random sampling. Understand how researchers use these methods to accurately represent data populations.

Melissa Horton is a financial literacy professional. She has 10+ years of experience in the financial services and planning industry. Robert Kelly is managing director of XTS Energy LLC, and has more ...

Collecting genetic samples for small mammals can be tricky, but scientists found a noninvasive way to do it for San Francisco's endangered salt marsh harvest mouse. From species of marmots to moles, ...

A recent Miner Institute Farm Report article dug into best practices around creating samples, and how to get results that are rooted in the reality of what your cows are eating.

One of the best indications of performance in the furnace is the quality of ash coming out of a power plant’s boiler. Ideally, all of the carbon is completely burned in the furnace before the products ...

Sampling the environment is an effective way to detect foot and mouth disease, according to a new article. Sampling the environment is an effective way to detect foot and mouth disease, according to a ...

Scientists at Duke-NUS Medical School have found that viruses circulating in live poultry markets can be detected more ...

A Tucson-based cancer biologist is helping lead the development of a new sampling method that can better detect the genetic diversity of tumors using an unlikely tool — a blender. Nelson Alexander, ...