Untitled

# Create data for the graph.
x <- c(11, 30, 39, 20)
labels <- c("70後", "80後", "90後", "00後")

# Plot the chart with title and rainbow color pallet.
pie(x, labels, main = "出生年齡段 - 餅狀圖", col = rainbow(length(x)))

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

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

we <- c(55,60,70,75,75)

we2 <- c(155,160,170,175,175)

mean(we)

## [1] 67

median(we)

## [1] 70

plot(we,we2,
     pch = 17,
     col= "skyblue",
     main ="班上的體重與身高",
     xlab ="體重",
     ylab ="身高")

stem(we)

## 
##   The decimal point is 1 digit(s) to the right of the |
## 
##   5 | 5
##   6 | 0
##   6 | 
##   7 | 0
##   7 | 55