coefficient of variation vs standard deviation

7:25

7:55

4:07

6:40

8:41

کوتاه

12:32

4:43

12:33

31:19

8:21

6:49

5:27

18:45

5:26

11:18

10:49

7:32

7:32

7:50

8:33

2:36

2:36

2:22

2:00

7:39

7:37

36:44

20:03

کوتاه

9:43

3:58

14:24

3:28

9:15

1:44:56

1:31:55

2:15:07

1:52:14

1:40:20