Gatto, Riccardo; Jammalamadaka, S. Rao - In: Statistics & Probability Letters 58 (2002) 1, pp. 71-81
In this article we discuss uniformly most powerful unbiased tests for testing exponentiality against a specific class of two-parameter exponential models with increasing failure rate. We show that the optimal test statistic for this problem admits an alternative representation in terms of a...