Tahun ke-,Biaya Iklan (X),Penjualan (Y)
1,5.0,30.1
2,6.5,36.2
3,8.0,42.5
4,9.5,48.8
5,11.0,54.1
6,12.5,58.9
7,14.0,63.2
8,15.5,66.8
9,17.0,69.5
10,18.5,72.0
11,20.0,74.3
12,21.5,76.1
13,23.0,77.5
14,24.5,78.2
15,26.0,78.8
16,27.5,78.5
17,29.0,77.9
18,30.5,76.7
19,32.0,75.1
20,33.5,73.0
21,35.0,70.4
22,36.5,67.3
23,38.0,63.8
24,39.5,59.9
25,41.0,55.5
26,42.5,50.6
27,44.0,45.2
28,45.5,39.3
29,47.0,32.9
30,48.5,26.0