Describe a situation in your particular area of interest where each of the following tests could be used. Use real or realistic data and test an appropriate hypothesis using each test.

(a) The sign test

(b) The median test

(c) The Wilcoxon test

(d) The Mann–Whitney test

(e) The Kolmogorov–Smirnov goodness-of-fit test

(f) The Kruskal–Wallis one-way analysis of variance by ranks

(g) The Friedman two-way analysis of variance by ranks

(h) The Spearman rank correlation coefficient

(i) Nonparametric regression analysis