3.1

13 mean: 30.517 median: 31.3 no mode

14 mean: 93.1 median: 92.3 no mode

15 mean: 3760 median: 3830 mode: 4090

16 mean: 266 median: 266 mode: 260

17

  1. the mean is larger than the median because the data is skewed right, indicating that a large amount of the data is on the lower end.

  2. this is a unifrom distribution, so the largest amount of data (closest to the average) is in the middle of the Y axis where the median and mean are located located.

  3. the median is larger than the mean, because the data is skewed keft, The mean serves as the balancing point in the middle and the data is largely above the middle of the Y axis

18

  1. IV

  2. III

  3. II

  4. I

3.2

5 SSD=6 SSD2=36

6 SSD=10 SSD2=100

7 PV=4 PV2=16

8 PV=8 PV2=64

9 SSD=14 SSD2=196

10 PV=5 PV2=25

14 range=25 SSD=8.426