Ce Texte Considere le Probleme Qui Consiste a Tester le Caractere Aleatoire de Series Chronologiques Guassiennes et Non-Gaussiennes. Nous Definissons une Classe Generale de Statistiques "Portemanteau" Qui Inclut la Statistique de Box-Pierce et Celle de Ljung-Box. Utilisant les Premiers et...

A time series analysis was performed on medical scheme statistics with the aim of determining current and future demographic and economic trends. This would enable one to reach a better perspective on the current and future financial dilemma presently experienced by medical schemes. Data for the...