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 ...

The discussion paper provides estimates of mode-specific measurement biases for key health statistics between web and interviewer-assisted data collection. Biases for some statistics are sizeable and ...

An animated guide to mean, median and mode. The Clappy Boys need to have the right average age to be accepted for a recording contract. This clip demonstrates that the different types of average can ...

While mathletes, scientists, coders, and statisticians will appreciate Windows 7's built-in calculator's programmer, statistics, and scientific modes, everyday people will love figuring out things ...

Statistics Netherlands’ social surveys are based on a sequential mixed-mode data collection approach using web, telephone, and face-to-face interviewing. This article illustrates how Statistics ...