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

Discover how to determine the ideal percentage of a population for a representative sample to ensure accurate data analysis with minimal sampling error.

Ryan Toma (left) is a Research Scientist at Viome Life Sciences (WA, USA). He focuses on the design and implementation of clinical studies with the aim of harnessing Viome’s personalized nutrition ...

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, ...

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 ...