standard error of sample mean

8:41

5:04

کوتاه

6:49

2:13

11:35

2:03

21:27

7:55

12:59

4:25

3:05

18:33

2:25

20:29

4:49

16:25

15:34

4:07

12:56

18:02

2:27

7:47

7:20

7:20

45:30

3:22

کوتاه

5:43

6:46

21:33

4:10

3:07

4:24

4:45

1:10

3:13

4:56

4:00

1:04