Discover how simple random sampling ensures accurate and unbiased population research, offering efficiency and fairness over ...

The first video in Pew Research Center’s Methods 101 series helps explain random sampling – a concept that lies at the heart of all probability-based survey research – and why it’s important. Fresh ...

Learn how acceptance sampling improves quality control by evaluating random samples. Discover its methods, benefits, and historical significance in manufacturing.

Here at Pew Research Center, we are often asked about how we conduct our research. We work hard to make our methodologies transparent and understandable, but we also know that survey mode effects and ...

When auditing a company, auditors use a combination of professional judgment and statistical sampling methods to estimate account balances. Statistical sampling is an efficient way to design samples, ...

here is very good news for CPAs whose clients face the often burdensome administrative costs of claiming allowable expense deductions for meals and entertainment (M&E)—the IRS now will permit the use ...