How do I know what math course I should take? "Prerequisite" is a term for "something necessary as preparation for something else." In the case of math placement, prerequisites come in the form of ...

This is a preview. Log in through your library . Abstract For square contingency tables with ordered categories, the conditional symmetry (CS) model is decomposed into the quasi-odds symmetry (QOS) ...

This article discusses a representation of Pearson's chi-square for independence in two-way contingency tables in terms of conditional probabilities of two categorical random variables and proposes a ...