Manufacturers often offer trade promotions such as markdown allowances as incentives to retailers. These savings, if passed onto consumers in the form of lower retail prices, can stimulate consumer purchases and thus enhance the manufacturers' profits. Retailers, however, may not pass savings...

Our interest is in the problem where independent samples are drawn from two different discrete populations, possibly with a common parameter. The goal is to test hypothesis about the parameters involved in these two samples. A number of tests are developed for the above purpose based on the...

Graph-theoretic constructs are widely used in the modeling and analysis of systems. However, most existing constructs are not suitable for the analysis of systems where relationships between sets of elements have to be represented and manipulated. Such relationships occur commonly in the...