Where Rj is the sum of the ranks in the jth sample or groups, nj is the number of observations in the jth sample, k is the number of samples, N is the number of observations in the combined sample.
Where Rj is the sum of the ranks in the jth sample or groups, nj isthe number of observations in the jth sample, k is the number ofsamples, N is the number of observations in the combined sample.