subject math reading sex
1   83.16  79.67  boy
2  102.51 101.13  boy
3   81.63  80.53  boy
4   88.25  84.58  boy
5   81.47  76.52  boy
6   87.19  84.70  boy
7   88.66  85.86  boy
8   79.35  81.03  boy
9   83.35  80.44  boy
10  86.58  84.67  boy
11  81.73  80.71  boy
12  85.00  81.32  boy
13  85.23  81.31  boy
14  80.30  79.37  boy
15  81.18  79.65  boy
16  88.41  85.85  boy
17  90.80  88.81  boy
18  81.68  79.71  boy
19  82.22  79.81  boy
20  78.21  74.20  boy
21  72.64  69.13  boy
22  84.61  83.05  boy
23  82.06  82.12  boy
24  87.01  84.62  boy
25  86.25  85.45  boy
26  77.05  74.03  boy
27  90.76  87.13  boy
28  81.39  78.53  boy
29  81.20  79.73  boy
30  83.07  79.94  boy
31  76.99  75.74 girl
32  83.32  81.40 girl
33  75.37  78.26 girl
34  84.81  83.93 girl
35  81.61  79.58 girl
36  76.08  78.18 girl
37  84.43  86.48 girl
38  82.29  83.16 girl
39  81.91  81.88 girl
40  97.85  97.01 girl
41  75.96  75.72 girl
42  82.47  80.84 girl
43  78.43  75.01 girl
44  82.89  82.92 girl
45  86.26  84.84 girl
46  88.48  87.90 girl
47  82.47  82.29 girl
48  87.24  87.45 girl
49  79.72  79.75 girl
50  87.52  85.44 girl
51  84.73  82.24 girl
52  77.15  77.63 girl
53  85.33  81.96 girl
54  80.58  81.67 girl
55  88.70  87.57 girl
56  79.20  77.14 girl
57  91.84  91.55 girl
58  81.07  77.01 girl
59  88.15  88.16 girl
60  76.98  75.65 girl
61  79.27  80.33 girl
62  85.70  84.27 girl