Sampling error refers to the difference between our survey estimate and what we would have found had we been able to interview everyone in the population. When it is reported, it is described as “plus ...

A boil water notice has been lifted for northwest Harris County after a sampling error spared E. coli concerns. The video above is from a previous report. On Tuesday ...

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