In this paper we show that the Marshall-Olkin extended Weibull distribution can be obtained as a compound distribution with mixing exponential distribution. In addition, we provide simple sufficient conditions for the shape of the hazard rate function of the distribution. Moreover, we extend the...

In many studies, the questionnaire is a common tool for surveying. There are two kinds of questions designed: single-choice questions and multiple-choice questions. For single-choice questions, the methodology for analyzing it has been provided in the literature. However, the analyses of...