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

A new telephone survey experiment finds that, despite major structural differences, an opinion poll drawn from a commercial voter file can produce results similar to those from a sample based on ...

Discover how to determine the ideal percentage of a population for a representative sample to ensure accurate data analysis with minimal sampling error.

The Entropy Engine can deliver 350 Mbps of true random numbers—enough to give a data center enough random data to dramatically improve all cryptographic processes For many decades, the term “random ...