Note: This report was updated on Dec. 30, 2015 to reflect the January-July 2015 National Health Interview Survey estimates released on December 1, 2015. Telephone surveys face numerous challenges, but ...

The sampling frame for the American Community Survey (ACS) is based on the Master Address File (MAF), which is a database maintained by the Census Bureau and used to conduct the decennial census and ...

This is a preview. Log in through your library . Abstract Capture-mark-recapture (CMR) population parameter estimation utilizing DNA analysis from remotely-collected hair samples to identify ...

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

Peter Kellner has written a challenging article with the straightforward title Down With Random Samples(Kellner, 2007). His opening lines are: “We all know what perfection looks like. It is a pure ...