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

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

For a food manufacturer, there are few things worse than calling for a mandatory food product recall. Food safety is a big deal and food recalls occur much more frequently than we may realize. And we ...

Pollsters call a random group of people. Though small, we can infer this group is a representative sample of the U.S. population because it was selected randomly. Then, if we know the sample size, we ...

Clinical trial samples collected for pharmacogenomic and future research are vital resources for the development of safe and effective drugs, yet collecting adequate, representative sample sets in ...

UK – An initiative to address unconscious bias in the market research industry has called for more nationally-representative samples to statistically reflect the UK’s ethnicity and sexual orientation.

A recent study from the MRS Representation in Research steering group found no cost penalty or negative impact on research results when inclusive parameters are included in nationally representative ...