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Aula 16 agosto 2019
#R version 3.3.2 print("aula 16ago!") a=c(10,20,20,10,20,10,10) b=c(30,10,20,2,8,30) e=c(5,5,6,6,6,10,10,10,12,12,14,14,14,14,20) print("a") summary(a) print("variância de a") var(a) print("b") summary(b) print("variância de b") var(b) print("e") summary(e) print("variância de e") var(e) brk1=seq(from=5, to=20,by=5) brk1 cl=c("5-10","10-15","15-20") cl dist=(table(cut(e, breaks=brk1, labels=cl, include.lowest=TRUE, rigth=FALSE))) dist hist(e) barplot(dist)
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