Lowest deviation : 0,18
Answer : 15,18
Winner : Ibyte
Guess : 15,00
Sum of guesses :569,40
Numbers of participants25

Guess       Deviation
2,35        12,83
37          21,82
19          3,82
21,6        6,42
60,79       45,61
17          1,82
16,79       1,61
23,6        8,42
15          0,18
32,33       17,15
2,72        12,46
25,56       10,38
33,67       18,49
17          1,82
22,33       7,15
21          5,82
21          5,82
71          55,82
11,23       3,95
39          23,82
21          5,82
4,56        10,62
9           6,18
15          0,18
9,87        5,31

Now I just need somebody to send me the directions on how to give Ibyte his prize.