Undercover investigators found pervasive incompetence, fraud and significant errors among a sample group of non-credentialed ...

The Arizona Department of Education said on March 12 that claims that 20% of ESA purchases are fraud is a misrepresentation.

A show at Yale Library unpacks 500 years worth of printed mistakes through errata slips, inaccurate maps, and religious texts with grave typos ...

Learn the distinctions between simple and stratified random sampling. Understand how researchers use these methods to accurately represent data populations.

Sampling (or sample) bias is a widespread concern in scientific research, across several disciplines. The concept of sampling bias originated in statistical studies. The consequence of a biased sample ...

Can the users of financial statements and annual reports rely upon the charts in them for accuracy? A sample of 50 public companies’ yearly reports collected by the author found that 86% had at least ...

The Supervisor of Elections Office spent more than $16K to reprint the sample ballots and more than $13K for postage. The Orange County Supervisor of Elections Office erred in printing the wrong ...

This session explores how hospitals are transforming blood gas testing workflows by gaining oversight, reducing manual processes, and preventing patient-sample reporting errors all while preparing ...