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Table 2 Mann-Whitney Test

From: Computational identification of rare codons of Escherichia coli based on codon pairs preference

Information of sum of ranks Result of Mann-Whitney Test: Test Statistics a
group N Mean Rank Sum of Ranks Mann-Whitney U F rare _ess_nonessential 2374.50
1 234 127.65 29869.50 Wilcoxon W 29869.50
2 4055 2261.41 9170035.50 Z -25.630
Total 4289    Asymp.Sig. (2-tailed) .000
  1. a. Grouping Variable: group