The share of young people claiming another ‘gender identity’ exploded. Now surveys show it is receding.

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 ...

Abstract: Hypothesis testing is a statistical inference framework for determining the true distribution among a set of possible distributions for a given data set ...

Abstract: We design statistical hypothesis tests for performing leak detection in water pipeline channels. By applying an appropriate model for signal propagation, we show that the detection problem ...

The Bureau of Labor Statistics, which tracks prices and employment, faces scrutiny after several missteps. Some questions have gone unanswered. By Ben Casselman and Jeanna Smialek It has been a rough ...

A test statistic is a crucial component in hypothesis testing, which enables researchers to make data-driven decisions and compare their results with a predetermined value. The test statistic measures ...