1) Describe the pros and cons of Chi-square, Mann-Whitney/Wilcoxon rank-sum, Wilcoxon matched-pairs signed-rank, Spearman's rank correlation (rho), Kruskal-Wallis, and Friedman's tests.

2) include the factor of sample size for each of the above non-parametric tests.

3) give an example of an appropriate patient population and evidence-based healthcare quality improvement application in which each test could be employed.