3.1

13 13. mean: 30.52, median: 31.3, mode: no

14 14. mean: 93.1, median: 87.9, mode: no

15 15. mean: 3670 psi, median: 3830 psi, mode: 4090 psi

16 16. mean: 266, median: 266, mode: 260

17

  1. greater than - it’s skewed to the right

  2. approximately equal - it’s symmetric

  3. less than - it’s skewed to the left

18

  1. IV

  2. III

  3. II

  4. I

3.2

5 variance: 36, deviation: 6

6 variance: 100, deviation: 10

7 variance: 16, deviation: 4

8 variance: 64, deviation: 8

9 variance: 196, deviation: 14

10 variance: 25, deviation: 5

14 range: 25, deviation: 8.43