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

Sankhyā: The Indian Journal of Statistics, Series B (1960-2002), Vol. 61, No. 1, Sample Surveys (Apr., 1999), pp. 187-201 (15 pages) The balanced half sample (BHS) method is a popular method for ...

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 ...

In sample surveys estimates are often required for subclasses of the population. The usual results assume that the domain numbers, M i, are either known exactly or completely unknown. The case where ...

The Journal of Geo-information Science recently published an online article on research led by researcher Lianfa Li and researcher Xiaomei Yang (Institute of Geographic Sciences and Natural Resources ...