Sampling error, however, is oversimplified when presented as a single number in reports that may include subgroups, poll-to-poll changes, lopsided margins and results measured on the difference ...

E. coli had been detected in a routine water sample in Melbourne, Florida, prompting a boil water notice for 167,000 customers. The contamination may have been due to a sampling error, but it could ...

The margin of sampling error for the full sample of 1,453 parents is plus or minus 3.2 percentage points. The survey was conducted by Ipsos Public Affairs in English and Spanish using KnowledgePanel, ...

The Court of Appeals for the Sixth Circuit has ruled that sampling is illegal, even when the sample in question is an essentially unrecognizable snippet. The case at issue here involved a two ...

While representative sampling is one of the most effective methods used to reduce error, it is often not enough to do so sufficiently on its own.