observation	beer consumption	income
1	81.7	35.1
2	56.9	36.6
3	49.9	51.6
4	64.1	35.5
5	65.4	37.2
6	51.7	48.4
7	64.1	37.2
8	58.1	37.6
9	46.3	48.4
10	61.7	38.2
11	65.3	39.4
12	57.8	38.7
13	63.5	40.0
14	50	46.7
15	65.9	40.5
16	46.8	48.8
17	48.3	40.4
18	55.6	41.1
19	53.8	48.1
20	47.9	41.1
21	57	42.5
22	51.6	46.7
23	51.6	42.4
24	54.2	43.4
25	57.7	47.3
26	51.7	43.9
27	44.3	45.9
28	55.9	44.5
29	52.1	46.0
30	52.5	44.8