dummydata <- c(70, 40, 70, 50, 30, 80, 90, 90, 40, 80, 40, 20, 40, 10, 
40, 60, 100, 30, 30, 70, 50, 70, 50, 40, 70, 60, 90, 50, 90)
xwerte <- ...
ywerte <- ...

plot(xwerte,ywerte)