Exam_Number	Points	Grade
1	71	2.7
2	92	1.3
3	99	1
4	81	2
5	97	1
6	96.5	1
7	90	1.3
8	89	1.7
9	92.5	1.3
10	72.5	2.3
11	85	2
12	91	1.3
13	79	2
14	90	1.3
15	97.5	1
16	62.5	3
17	94	1.3
18	92.5	1.3
19	80	2
20	56	3.7
21	100	1
22	93.5	1.3
23	50	4
24	90	1.3