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

Employee Number Years Worked

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

% of the employees in the sample worked for the company for at

The sample mean for the number of years worked is and

least 10 years. Round your answers to the nearest integer.