standard devation

10:21

7:14

3:43

7:49

1:47

5:00

2:06

8:16

8:26

11:07

12:42

6:26

5:05

12:34

19:18

2:52

23:35

14:22

29:30

10:45

2:55

11:27

7:10

17:26

15:24

5:02

2:39

12:12

4:15

11:10

8:05

4:46

1:36

47:50

5:31

2:44

14:32

3:05

3:02

10:05

11:44

12:50

2:35

10:39

10:25

12:05

9:32

3:58

6:12

1:29

7:50

11:27

4:46

3:09

3:10

4:25

8:21

1:41

13:05

4:01