In this paper the robustness of some of the existing tests for the exponential distribution when some outliers are present is reviewed. It is noted that the tests proposed by Epstein and Sobel [4] can ...

Following Cox & Wermuth (1994, 2002), we show that the distribution of a set of binary observable variables, induced by a certain discrete latent variable model, may be approximated by a quadratic ...

Explore the life-spans of empires revealing the mean length and their correlation with historical duration trends. Interestingly the mean length of an empire is 220 years. That's basically what you'd ...