Investopedia

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

This calculation can be used for hypothesis testing in statistics Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive ...
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 ...
Nature

Statistics for Biologists

There is no disputing the importance of statistical analysis in biological research, but too often it is considered only after an experiment is completed, when it may be too late. This collection ...
Electronic Design

Semiconductor Test: Real-time adaptive test algorithm can safely reduce wafer testing time and cost

The testing of the semiconductor dies produced by a wafer fabrication plant involves a long series of operations requiring meticulous care. The time spent performing these tests markedly affects both ...