### Jeu de données

Quartet d'Anscombe sur Wikipedia

Données pour le python:

```import matplotlib.pyplot as plt
%matplotlib inline

xA=[10.0,8.0,13.0,9.0, 11.0,14.0,6.0, 4.0, 12.0,7.0, 5.0]
yA=[8.04,6.95,7.58,8.81,8.33,9.96,7.24,4.26,10.84,4.82,5.68]

xB=[10.0,8.0,13.0,9.0,11.0,14.0,6.0,4.0,12.0,7.0,5.0]
yB=[9.14,8.14,8.74,8.77,9.26,8.10,6.13,3.10,9.13,7.26,4.74]

xC=[10.0,8.0,13.0,9.0,11.0,14.0,6.0,4.0,12.0,7.0,5.0]
yC=[7.46,6.77,12.74,7.11,7.81,8.84,6.08,5.39,8.15,6.42,5.73]

xD=[8.0,8.0,8.0,8.0,8.0,8.0,8.0,19.0,8.0,8.0,8.0]
yD=[6.58,5.76,7.71,8.84,8.47,7.04,5.25,12.50,5.56,7.91,6.89]

xmin,xmax = 2.5,19.5
ymin,ymax = 2.5,13.5
plt.figure(figsize=(8, 8))

plt.subplot(2, 2, 1)
plt.plot(xA,yA,'o')
plt.xlim([xmin,xmax]);plt.ylim([ymin,ymax])
plt.text(4,12, "\$A\$", fontsize=20)

plt.subplot(2, 2, 2)
plt.plot(xB,yB,'o')
plt.xlim([xmin,xmax]);plt.ylim([ymin,ymax])
plt.text(4,12, "\$B\$", fontsize=20)

plt.subplot(2, 2, 3)
plt.plot(xC,yC,'o')
plt.xlim([xmin,xmax]);plt.ylim([ymin,ymax])
plt.text(4,12, "\$C\$", fontsize=20)

plt.subplot(2, 2, 4)
plt.plot(xD,yD,'o')
plt.xlim([xmin,xmax]);plt.ylim([ymin,ymax])
plt.text(4,12, "\$D\$", fontsize=20)

plt.tight_layout()
```