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

Perhaps you saw the headlines this weekend: “Sexting: Just About Everyone’s Doing It,” from Discovery News, or “Online survey finds 8 in 10 adults have engaged in sexting,” from CNN. Wow – that’s ...

verybody has a favorite color and season—preferences that seem innate, always defying reason. Auditors are no different when it comes to haphazard sampling, a process in which—ideally—they choose ...

The incentive for cherry picking ⎯ the tendency of users to favor data quality over diversity ⎯ is that data quality is preserved over a greater number of model iterations, but this comes at the ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

An independent researcher, chartered accountant, lecturer and financial economist, Dr Evans Duah, has underscored the use of a fully automated and randomised sampling process in his nationwide study ...