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 ...

The Canadian Journal of Statistics / La Revue Canadienne de Statistique, Vol. 27, No. 2 (Jun., 1999), pp. 383-394 (12 pages) This paper examines likelihood-ratio tests concerning the relationships ...

At times we wish to examine statistical evidence, and determine whether it supports or contradicts a claim that has been made (or that we might wish to make) concerning the entire population. This is ...

Business owners like to know how their decisions will impact their businesses. According to Harvard Business School Online, before making decisions, managers may explore the benefits of hypothesis ...

J.B. Maverick is an active trader, commodity futures broker, and stock market analyst 17+ years of experience, in addition to 10+ years of experience as a finance writer and book editor. T-tests are ...

In this paper we prove the asymptotic normality of two statistics which have been proposed to test the hypothesis that two samples come from the same parent population. One statistic is the number of ...