A statistical test that allows one to determine whether observed quantities of a specific characteristic differed from the expected value purely by chance.

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 ...

This paper presents the results of a Monte Carlo study of the accuracy of an approximation to the power of the chi-square goodness of fit test with small but equal expected frequencies. Various ...

In this paper a new method is proposed for grouping a sample or a population of observations of a continuous statistical variable which presents good properties. By the new method it is possible to ...