Research and statistical analysis help us understand how the world works, how effective medications and treatments are, what influences our health, the best approach for business practices, and much ...

Hypothesis testing is a formal procedure for investigating our ideas about the world using statistics. It is most often used by researchers to test predictions, called hypotheses. The first step in ...

About twenty-five years ago, the software industry admitted a fundamental truth: We couldn't plan development work upfront because we didn't know what we didn't know. This realization birthed the ...

At the Tokyo Motor Show, which was held at the end of October, exhibitions of many new types of vehicles utilizing cutting edge environmental technology were attracting attention, including fuel-cell ...