منابع مشابه
Dispersive Ordering and k-out-of-n Systems
Extended Abstract. The simplest and the most common way of comparing two random variables is through their means and variances. It may happen that in some cases the median of X is larger than that of Y, while the mean of X is smaller than the mean of Y. However, this confusion will not arise if the random variables are stochastically ordered. Similarly, the same may happen if one would like to ...
متن کاملMultivariate Dispersive Ordering of Generalized Order Statistics
The concept of generalized order statistics (GOSs) was introduced as a unified approach to a variety of models of ordered random variables. The purpose of this paper is to investigate condi- tions on the underlying distribution functions and the parameters on which GOSs are based, to establish Shaked-Shanthikumar multivari- ate dispersive ordering of GOSs from one sample and Khaledi-Kochar mu...
متن کاملMultivariate Dispersive Ordering of Generalized Order Statistics
The concept of generalized order statistics (GOSs) was introduced as a unified approach to a variety of models of ordered random variables. The purpose of this paper is to investigate conditions on the underlying distribution functions and the parameters on which GOSs are based, to establish Shaked-Shanthikumar multivariate dispersive ordering of GOSs from one sample and Khaledi-Kochar multivar...
متن کاملSuperadditive correlation.
The fact that correlation does not imply causation is well known. Correlation between variables at two sites does not imply that the two sites directly interact, because, e.g., correlation between distant sites may be induced by chaining of correlation between a set of intervening, directly interacting sites. Such "noncausal correlation" is well understood in statistical physics: an example is ...
متن کاملA note on superadditive probability judgment
Recent studies have demonstrated subadditivity of human probability judgment: the judged probabilities for an event partition sum to more than 1. We report conditions under which people's probability judgments are superadditive instead: the component judgments for a partition sum to less than 1. We interpret both directions of deviation from additivity in a common framework, in which probabilit...
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ژورنال
عنوان ژورنال: Advances in Applied Probability
سال: 1986
ISSN: 0001-8678,1475-6064
DOI: 10.1017/s000186780001627x