Parametric and non-Parametric Statistics

This course describes and compares parametric and non parametric statistics. Models of both types are discussed and compared. The course includes: Chi-square distribution, Chisquare goodness-of-fit test for equal & non-equal expected frequencies, contingency table, nominal level of measurement, nonparametric or distribution-free tests, Kruskal-Wallis oneway analysis of variance by ranks, sign test, Spearman’s coefficient of rank correlation, Wilcoxon matched-pair signed-rank test, and Wilcoxon rank-sum test