
	Kruskal-Wallis rank sum test

data:  ARRAY and categs
Kruskal-Wallis chi-squared = 68.342, df = 3, p-value = 9.666e-15

Multiple comparison test after Kruskal-Wallis 
p.value: 0.05 
Comparisons
                                              obs.dif critical.dif difference
joda-time-2.8-RandomMutantSampling           63.63333     23.69541       TRUE
joda-time-2.8-RandomOperatorSelection        43.83333     23.69541       TRUE
joda-time-2.8-SelectiveMutation              64.93333     23.69541       TRUE
RandomMutantSampling-RandomOperatorSelection 19.80000     23.69541      FALSE
RandomMutantSampling-SelectiveMutation        1.30000     23.69541      FALSE
RandomOperatorSelection-SelectiveMutation    21.10000     23.69541      FALSE
