1. Soccer Team A: 5 9 5 4 6 5 1 5 6 4
Soccer Team B: 5 2 9 6 3 5 8 7 1 4
Soccer Team C: 7 1 8 3 9 9 1 2 7 3

2. A) 5, 9, 5, 4, 6, 5, 1, 5, 6, 4 5 9 5 4 6 5 1 5 6 4
Mean: 5 + 9 + 5 + 4 + 6 + 5 + 1 + 5 + 6 + 4
50 10 = = 5 10
Median: 5
Mode: 5
Range: 9 − 1 = 8
IQR: 6 − 4 = 2

3. A) 5, 9, 5, 4, 6, 5, 1, 5, 6, 4 1 2 3 4 5 6 7 8 9 10

4. B) 5, 2, 9, 6, 3, 5, 8, 7, 1, 4 5 2 9 6 3 5 8 7 1 4
Mean: 5 + 2 + 9 + 6 + 3 + 5 + 8 + 7 + 1 + 4
50 10 = = 5 10
Median: 5
Mode: 5
Range: 9 − 1 = 8
IQR: 7 − 3 = 4

5. B) 5, 2, 9, 6, 3, 5, 8, 7, 1, 4 1 2 3 4 5 6 7 8 9 10

6. C) 7, 1, 8, 3, 9, 9, 1, 2, 7, 3 7 1 8 3 9 9 1 2 7 3
Mean: 7 + 1 + 8 + 3 + 9 + 9 + 1 + 2 + 7 + 3
50 10 = = 5 10
Median: 5
Mode: −
Range: 9 − 1 = 8
IQR: 8 − 2 = 6

7. C) 7, 1, 8, 3, 9, 9, 1, 2, 7, 3 1 2 3 4 5 6 7 8 9 10

8. Team A:
IQR: 2
Mean: 5
Median: 5
Mode: 5
Range: 8 5 9 5 4 6 5 1 5 6 4
Team B:
IQR: 4
Mean: 5
Median: 5
Mode: 5
Range: 8 5 2 9 6 3 5 8 7 1 4
IQR: 6
Team C:
Mean: 5
Median: 5
Mode: −
Range: 8 7 1 8 3 9 9 1 2 7 3

9. A)
MAD: 1.2 1 2 3 4 5 6 7 8 9 10
MAD: 2 B) 1 2 3 4 5 6 7 8 9 10 C)
MAD: 3 1 2 3 4 5 6 7 8 9 10

10. Mean Absolute Deviation WITHOUT counting spaces on the line plot?
Can we find the
Mean Absolute Deviation WITHOUT
counting spaces on the line plot? 52 93 51 48 60 57 10 58 66 45
Mean: 54

11. Mean Absolute Deviation WITHOUT counting spaces on the line plot?
Can we find the
Mean Absolute Deviation WITHOUT
counting spaces on the line plot? 52 93 51 48 60 57 10 58 66 46
Mean: 54.1

12. Team A:
Mean: 5
Median: 5
Mode: 5
Range: 8 5 9 5 4 6 5 1 5 6 4
Team B:
Mean: 5
Median: 5
Mode: 5
Range: 8 5 2 9 6 3 5 8 7 1 4
Team C:
Mean: 5
Median: 5
Mode: −
Range: 8 7 1 8 3 9 9 1 2 7 3

13. A) 5, 9, 5, 4, 6, 5, 1, 5, 6, 4
Mean: 5 1 1 +
9−5 4 4 +
5−5 +
4−5 1 −1 +
6−5
5−5 12 1 1 4 +
5−5 +
6−5 +
4−5 −1 1 +
5−5 +
1−5 −4 10
1.2

14. B) 5, 2, 9, 6, 3, 5, 8, 7, 1, 4
Mean: 5
5−5 +
2−5 +
9−5 +
6−5 +
3−5 +
5−5 +
8−5 +
7−5 +
1−5 +
4−5 10 + −3 + 4 + −1 + −2 + + 3 + 2 + −4 + 1 10
20 10 + 3 + 4 + 1 + 2 + + 3 + 2 + 4 + 1 10 = = 2

15. C) 7, 1, 8, 3, 9, 9, 1, 2, 7, 3
Mean: 5
7−5 +
1−5 +
8−5 +
3−5 +
9−5 +
9−5 +
1−5 +
2−5 +
7−5 +
3−5 10 −2 + −4 + 3 + −2 + 4 + 4 + −4 + 3 + 2 + −2 10
30 10 + 4 + 3 + 2 + 4 + 4 + 4 + 3 + 2 + 2 2 10 = = 3

16. MAD 1 2 3 4 5 6 7 8 9 10 MAD around the mean: 2.8
median
mean 1 2 3 4 5 6 7 8 9 10
MAD around the mean:
2.8
MAD around the median:
2.6