Researchers have proposed an optimized ratio-type estimator that uses auxiliary attributes to estimate population means more precisely in stratified sampling, supported by real apple production data ...

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 ...

Several states with extensive water use databases rely upon the census approach. That is, data are collected for all water users withdrawing amounts greater than a specified threshold that varies from ...