(1) Dipartimento di Metodi Quantitativi, Università di Siena, I-53100 Siena, Italy;(2) Dipartimento di Economia e Territorio, Università di Cassino, Cassino, Italy
Abstract:
A simple and accurate test on the value of the correlation coefficient in normal bivariate populations is here proposed. Its accuracy compares favourably with any previous approximations.