18:4218:42, 9 December 2018diffhist−8
Kruskal–Wallis test
Undid revision 870980499 by 74.128.119.90 (talk) - The original formula was correct. The term is either average rank squared multiplied by n_i (the form in the article) or rank-sum squared divided by n_i (but putting it in this form would entail introducing additional notation).Tag: Undo