The general theory of the asymptotic power of chi square tests requires the evaluation of a non-centrality parameter which is expressed as a vector-matrix vector product. This parameter is evaluated ...

The contingency table lists eye and hair color in the order that they appear in the data set. The first column label explains the contents of each table cell. The Pearson chi-square provides evidence ...

Post hoc and planned comparison procedures for interpreting chi-square contingency-table test results, not currently discussed in most standard textbooks, are presented. A planned comparison procedure ...