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age <- c(50,55,63,55,67,43,52)

high <- c(150,160,170,175,150,153,165)


mean(age) #年齡的平均數

## [1] 55

Q1 <- quantile(age,1/ 4) 
Q2 <- quantile(age,2 / 4) 

median(age)

## [1] 55

Q1

## 25% 
##  51

Q2

## 50% 
##  55

plot(age,high)

hist(age
     ,col= "green"
     ,main ="班上的體重與身高"
    , xlab ="體重"
    , ylab ="人數")

data<- c(50,23,35,48)
labels <- c("英文系","法文系","德文","翻譯")

pie(data,labels,main ="學生的比例", col=heat.colors(length(data)))