T-Test: What It Is With Multiple Formulas and When to Use Them

Read on to learn more about what a t-test is, the different formulas used, and when to apply each type to compare means and ...
JSTOR Daily

Two-sample testing in high dimensions

Journal of the Royal Statistical Society. Series B (Statistical Methodology), Vol. 79, No. 1 (JANUARY 2017), pp. 225-246 (22 pages) We propose new methodology for two-sample testing in high ...
JSTOR Daily

Ensemble Subsampling for Imbalanced Multivariate Two-Sample Tests

Some existing nonparametric two-sample tests for equality of multivariate distributions perform unsatisfactorily when the two sample sizes are unbalanced. In particular, the power of these tests tends ...
Nature

Comparing samples—part I

Among the most common types of experiments are comparative studies that contrast outcomes under different conditions such as male versus female, placebo versus drug, or before versus after treatment.
Investopedia

Chi-Square (χ2) Statistic: What It Is, Examples, How and When to Use the Test

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 ...