standard error excel calculation

5:04

2:13

11:35

2:01

7:01

3:39

3:39

2:03

2:44

1:42

2:10

14:42

11:33

5:20

4:10

1:26

47:46

13:36

3:05

26:09

2:24

31:45

12:51

14:27

3:53

3:04

9:21

1:33

6:52

45:42

3:53

8:52

4:39

17:50

3:55

12:27

9:50

11:34

8:32

12:48