SEM Project:  Metal Fatigue in Paper Clips

Sample Number Number of Bends Until Metal Breaks
1 30
2 19
3 18
4 11
5 17
6 15
7 14
8 16
9 15
10 12
11 30
12 19
13 15
14 13
15 21
16 15
17 14
18 21
19 17
20 16
21 13
22 14
23 25
24 16
25 15
26 19
27 12
28 16
29 17
30 13

Mean Bends = 16.93333
St. Dev. Bends = 4.667816
Min. Bends = 11
Max. Bends = 30
Median = 16