Learn how representative samples and random samples differ and why combining them minimizes sampling bias for accurate data.
Dig It With Raven on MSN
Archaeological sampling - How sites are studied without digging everything
Sampling allows archaeologists to draw conclusions about a site or region using only a fraction of the area. Because excavation is destructive and funding is limited, leaving parts unexcavated can be ...
Discover how to determine the ideal percentage of a population for a representative sample to ensure accurate data analysis with minimal sampling error.
In a recently published news story, we learn about a young doctor, Jake Deutsch, and his personal experience with coronavirus disease 2019. Deutsch tested positive for Covid-19 and checked himself ...
A study by the universities of Cordoba and Seville develops a method that makes it possible to verify, easily and quickly, whether an olive plantation is traditional, intensive, or super-intensive.
A coronavirus antibody test conducted by Stanford University scientists concluded that the infection is both more common than previously thought and possesses a lower fatality rate than what current ...
Stratified sampling more effective than random sampling for detecting contaminants in infant formula
Producers of infant formula employ comprehensive food safety systems, including product testing to ensure those systems are working. A new study from the University of Illinois Urbana-Champaign finds ...
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