nag_kruskal_wallis_test (g08afc) Example Program Results Kruskal-Wallis test Data values Group Observations 1 23 27 26 19 30 2 29 25 33 36 32 28 30 31 3 38 31 28 35 33 36 4 30 27 28 22 33 34 34 32 5 31 33 31 28 30 24 29 30 Test statistic 10.537 Degrees of freedom 4 Significance 0.032