y     x1  x2     x3     x4  x5
1  44.609  44  89.47  11.37  62  178
2  45.313  40  75.07  10.07  62  185
3  54.297  44  85.84   8.65  45  156
4  59.571  42  68.15   8.17  40  166
5  49.874  38  89.02   9.22  55  178
6  44.811  47  77.45  11.63  58  176
7  45.681  40  75.98  11.95  70  176
8  49.091  43  81.19  10.85  64  162
9  39.442  44  81.42  13.08  63  174
10 60.055  38  81.87   8.63  48  170
11 50.541  44  73.03  10.13  45  168
12 37.388  45  87.66  14.03  56  186
13 44.754  45  66.45  11.12  51  176
14 47.273  47  79.15  10.60  47  162
15 51.855  54  83.12  10.33  50  166
16 49.156  49  81.42   8.95  44  180
17 40.836  51  69.63  10.95  57  168
18 46.672  51  77.91  10.00  48  162
19 46.774  48  91.63  10.25  48  162
20 50.388  49  73.37  10.08  76  168
21 39.407  57  73.37  12.63  58  174
22 46.080  54  79.38  11.17  62  156
23 45.441  52  76.32   9.63  48  164
24 54.625  50  70.87   8.92  48  146
25 45.118  51  67.25  11.08  48  172
26 39.203  54  91.63  12.88  44  168
27 45.790  51  73.71  10.47  59  186
28 50.545  57  59.08   9.93  49  148
29 48.673  49  76.32   9.40  56  186
30 47.920  48  61.24  11.50  52  170
31 47.467  52  82.78  10.50  53  170