distribution of difference of sample means

4:19

2:50

8:14

12:32

کوتاه

4:25

3:01

1:01:11

1:45

12:42

41:07

32:12

2:27

4:07

2:47

9:19

14:27

4:58

40:23

1:10

4:42

5:21

کوتاه

43:13

1:48

2:10

3:29

3:29

2:22

2:29

3:54

3:20

3:57

3:43

8:00

4:31

47:25

7:50

2:16

8:17