The Wilcoxon signed rank test, which is also known as the Wilcoxon signed rank sum test and the Wilcoxon matched pairs test, is a non-parametric statistical test used ... and their differences are ...

Also, PROC FREQ computes the following statistics derived from the Pearson chi-square: the phi coefficient, the contingency coefficient, and Cramer's V. PROC FREQ computes Fisher's exact test for ...

The "Kruskal-Wallis Test" table displays the results of the Kruskal-Wallis test. The test statistic of 40.75 indicates that there is a significant difference in ozone levels across shift times (the ...