We consider two-sample tests for high-dimensional data under two disjoint models: the strongly spiked eigenvalue (SSE) model and the non-SSE (NSSE) model. We provide a general test statistic as a ...

The common "F test" for testing the equality of two population variances is very sensitive to the normality assumption, yet many introductory statistics books do not stress this sensitivity. Several ...

As countless Americans have learned in the pandemic, medical testing happens through a complex network of pipelines between samples and results.