terça-feira, 29 de maio de 2012

x1=c(47.35,29.26,52.14,32.15,40.86,19.18,27.23,25.60,54.14,26.72,38.84,32.99,32.95,21.69,27.90,56.70,37.69,39.94)
x2=c(7,5,10,6,4,5,4,6,9,5,2,7,4,3,5,1,8,6)
y=c(140,45,180,60,90,10,35,35,190,35,75,70,55,10,40,175,95,95)