عنوان	Likelihood Ratio Ordering for Spacings Arising from Multiple-Outlier Models
نوع پژوهش	مقاله چاپ‌شده در مجلات علمی
کلیدواژه‌ها	stochastic order, likelihood ratio order, sample spacing's, general multiple-outlier models.
چکیده	In this paper, we investigate the stochastic properties of spacings among order statistics derived from a sample of independent, non-negative random variables that are divided into two groups with di erent distributions. Previous studies have shown that when these distribution functions are exponential distributions with specified hazard rates, the likelihood ratio ordering holds among the spacings under specific conditions. The present work extends these results by considering more general continuous distribution functions. We identify the necessary conditions on the parent distribution functions for preserving the likelihood ratio ordering among spacings in general settings. The comparison results enhance our understanding of stochastic ordering theory and provide valuable insights for applications in reliability, survival analysis, and related fields, aiding in the development of more flexible and accurate statistical models.
پژوهشگران	ابراهیم امینی سرشت (نفر اول)، سلمان ایزدخواه (نفر دوم)