y=rep(3:7,c(2,9,2,4,2))
wilcox.test(x,y,exact=FALSE)
p-value=10e-8
x=rep(1:4, c(4,10,15,1))y=rep(3:7, c(2,9,2,4,2))
wilcox.test(x,y,exact=FALSE)
p-value=10e-8<.05拒绝原假设
y=rep(3:7,c(2,9,2,4,2))
wilcox.test(x,y,exact=FALSE)
p-value=10e-8
x=rep(1:4, c(4,10,15,1))y=rep(3:7, c(2,9,2,4,2))
wilcox.test(x,y,exact=FALSE)
p-value=10e-8<.05拒绝原假设