9.4 Exercise 55

A report by the Gallup Poll found that a woman visits her doctor, on average, at most 5.8 times each year. A random sample of 20 women results in these yearly visit totals

1. 3
2. 2
3. 1
4. 3
5. 7
6. 2
7. 9
8. 4
9. 6
10. 6
11. 8
12. 0
13. 5
14. 6
15. 4
16. 2
17. 1
18. 3
19. 4
20. 1

At the α = 0.05 level can it be concluded that the sample mean is higher than 5.8 visits per year?