Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Representative sampling and random sampling ...

Julie Young is an experienced financial writer and editor. She specializes in financial analysis in capital planning and investment management. Dr. JeFreda R. Brown is a financial consultant, ...

For a food manufacturer, there are few things worse than calling for a mandatory food product recall. Food safety is a big deal and food recalls occur much more frequently than we may realize. And we ...

Manual sampling techniques such as hand scoop and spigot sampling are common methods with food and beverage producers and processors. These convenient and low-cost, direct methods are widely accepted ...

To assess a flour mill’s performance, an operations manager checks processing data in the lab from product sample tests. Issues such as contamination are also monitored. Proper flour sampling can make ...