Standard deviation

1. 1.
   Find the population standard deviation of: 4, 7, 11, 15, 17, 20. Give one decimal place.
2. 2.
   Find the population standard deviation of: 1, 12, 15, 17. Give one decimal place.
3. 3.
   Find the population standard deviation of: 1, 2, 7, 9, 17. Give one decimal place.
4. 4.
   Find the population standard deviation of: 1, 9, 10, 11, 11, 13. Give one decimal place.
5. 5.
   Find the population standard deviation of: 3, 7, 9, 11, 14, 18. Give one decimal place.
6. 6.
   Find the population standard deviation of: 9, 10, 16, 16, 17, 19. Give one decimal place.
7. 7.
   Find the population standard deviation of: 2, 8, 15, 17, 18, 19. Give one decimal place.
8. 8.
   Find the population standard deviation of: 2, 4, 15, 17, 18, 18. Give one decimal place.
9. 9.
   Find the population standard deviation of: 10, 10, 11, 17, 19. Give one decimal place.
10. 10.
    Find the population standard deviation of: 4, 5, 7, 12, 12, 13. Give one decimal place.
11. 11.
    Find the population standard deviation of: 1, 5, 8, 8, 8, 20. Give one decimal place.
12. 12.
    Find the population standard deviation of: 1, 4, 5, 8, 13. Give one decimal place.
13. 13.
    Find the population standard deviation of: 2, 2, 12, 20. Give one decimal place.
14. 14.
    Find the population standard deviation of: 2, 3, 7, 18. Give one decimal place.
15. 15.
    Find the population standard deviation of: 2, 9, 13, 17. Give one decimal place.
16. 16.
    Find the population standard deviation of: 4, 7, 10, 13, 16, 18. Give one decimal place.
17. 17.
    Find the population standard deviation of: 6, 7, 10, 13. Give one decimal place.
18. 18.
    Find the population standard deviation of: 2, 3, 7, 10, 17. Give one decimal place.
19. 19.
    Find the population standard deviation of: 3, 9, 17, 20. Give one decimal place.
20. 20.
    Find the population standard deviation of: 9, 9, 16, 17. Give one decimal place.

Free maths worksheets and practice: rocketdigits.com/learn/standard-deviation