U.4
평균 절대 편차
자료의 평균을 구하고, 각 값이 평균에서 떨어진 거리의 평균(MAD) 구하기
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문제 수
Mean Absolute Deviation
Skill U.4 · Statistics · ★★☆ Medium
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Score/ 8
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Find the mean and the mean absolute deviation (MAD).
Example
Think: For 2, 4, 6, 8: each value is 3, 1, 1, and 3 away from the mean of 5. The MAD is the mean of those distances.
- 1
12, 19, 3, 7, 14
- Mean
- MAD
- 2
8, 8, 3, 2, 19
- Mean
- MAD
- 3
14, 19, 11, 18, 8
- Mean
- MAD
- 4
7, 13, 13, 2, 15
- Mean
- MAD
- 5
6, 12, 18, 6, 8
- Mean
- MAD
- 6
7, 2, 13, 2, 11
- Mean
- MAD
- 7
15, 3, 14, 11, 17
- Mean
- MAD
- 8
4, 6, 3, 5, 12
- Mean
- MAD
Answer Key
U.4 Mean Absolute Deviation · ★★☆ Medium
- 1Mean 11 · MAD 4.8
- 2Mean 8 · MAD 4.4
- 3Mean 14 · MAD 3.6
- 4Mean 10 · MAD 4.4
- 5Mean 10 · MAD 4
- 6Mean 7 · MAD 4
- 7Mean 12 · MAD 4
- 8Mean 6 · MAD 2.4