MAT113 3.1 & 3.2 HW

3.1 13-17

13. Mean: $2025.25, Median: $2209, Mode: None

14. Mean: $41.4067, Median: $40.76, Mode: None

15. Mean: 3670, Median: 3830, Mode: 4090

16. Mean: 266, Median: 266, Mode: 260

17. 1. Mean: 8.7647, Median: 6 Mean > Median

2. Mean: 11.7407, Median: 12 Mean = Median

3. Mean: 22.3679, Median: 25 Mean < Median

3.2 5-10, 14, 24

5. s^2 = 36, s = 6

6. s^2 = 100, s = 10

7. o^2 = 16 o = 4

8. o^2 = 64 o = 8

9. s^2 = 196 s = 14

10. o^2 = 25 o = 5

14 Range: 25, Sample Standard Deviation: 8.43

24

1. Sample Standard Deviation: 6

2. Using the Empirical Rule we can make the following general statements: 99.7% of the length of eruptions will fall between 86 and 122, 95% of the length of eruptions will fall between 92 and 116, and 68% of the length of eruptions will fall between 98 and 110

3. 95%

4. 93%

5. 16%

6. 11%