what is standard error

9:24

4:02

5:04

11:39

2:13

11:35

9:04

3:19

کوتاه

1:35

3:27

5:45

2:08

6:57

3:12

5:19

7:17

6:59

7:31

4:32

3:04

2:39

3:20

9:13

6:43

کوتاه

19:35

2:09

کوتاه

1:05

4:33

6:02

2:17

2:08

5:45

5:45

3:55

8:08

2:15

2:59