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 ...

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

Producers of infant formula employ comprehensive food safety systems, including product testing to ensure those systems are working. A new study finds that some testing methods are more powerful at ...

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 ...

It’s a truism that even large samples can be misleading if they are biased or, as market and social researchers say, if they are not representative for the universe. Therefore, it is essential whether ...