Importo el data set
## 'data.frame': 44 obs. of 3 variables:
## $ Set: Factor w/ 4 levels "1","2","3","4": 1 1 1 1 1 1 1 1 1 1 ...
## $ X : int 10 8 13 9 11 14 6 4 12 7 ...
## $ Y : num 8.04 6.95 7.58 8.81 8.33 ...
## Set X Y
## 1:11 Min. : 4 Min. : 3.100
## 2:11 1st Qu.: 7 1st Qu.: 6.117
## 3:11 Median : 8 Median : 7.520
## 4:11 Mean : 9 Mean : 7.501
## 3rd Qu.:11 3rd Qu.: 8.748
## Max. :19 Max. :12.740
## XProm YProm Xvar Yvar Corr
## 1 9 7.500909 11 4.127269 0.8164205