#0. sample data
#1. t.test
#0. sample data
boxplot(sample_a, sample_b)
#1. t.test
t.test(sample_a, sample_b)
ref : http://www.sthda.com/english/wiki/unpaired-two-samples-t-test-in-r
boxplot(sample_a, sample_b)
t.test(sample_a, sample_b)
ref : http://www.sthda.com/english/wiki/unpaired-two-samples-t-test-in-r