The data shows the number of years that a random sample of 20 employees worked for an insurance company before retirement.

Employee Number

YearsWorked

1. 8

2. 13

3. 15

4. 3

5. 13

6. 28

7. 4

8. 12

9. 4

10. 26

11. 29

12. 3

13. 10

14. 3

15. 17

16. 13

17. 15

18. 15

19. 23

20. 13

The sample mean for the number of years worked is __and__%of the employees in the sample worked for the company’s or at least 10 years. Round your answers to the nearest integer.