2.5 Exercise 11

Use the following information to answer the next three exercises: The following data show the lengths of boats moored in a marina. The data are ordered from smallest to largest:

1. 16
2. 17
3. 19
4. 20
5. 20
6. 21
7. 23
8. 24
9. 25
10. 25
11. 25
12. 26
13. 26
14. 27
15. 27
16. 27
17. 28
18. 29
19. 30
20. 32
21. 33
22. 33
23. 34
24. 35
25. 37
26. 39
27. 40

Calculate the mean.