moment about mean for grouped data

10:09

5:05

2:49

کوتاه

کوتاه

10:56

14:50

4:01

4:01

11:32

3:39

5:45

9:03

5:30

2:55

2:32

3:39

13:20

49:10

2:29

9:20

23:24

13:20

6:28

9:20

کوتاه

7:49

2:01

4:12

5:55

25:03

12:26

25:03

6:52

10:49

48:00

4:02

کوتاه

2:48

7:07