we <- c(68,85,74,88,63,78,90,80,58,63)

we2 <- c(85,91,74,100,82,84,78,100,51,70)
plot(we,we2,
     col= "skyblue",
     main ="統計成績與數學成績",
     xlab ="統計成績",
     ylab ="數學成績")