Eleven rural, eleven semiurban and eleven urban students were thoroughly interviewed and they were ranked (using a pooled sample of N = 33) for their communication skills. Which one of the following statistical technique would be appropriate to explore groupwise difference in communication skills?
1
Friedman's test
2
Kruskal \i\Tallis H test
3
Rank difference correlation
4
One-way ANOVAfor independent samples