Mean absolute deviation (MAD)

Question 1

The mean of 6, 14, 10, 6, 14 is 10. Find the mean absolute deviation.

Answer 

Question 2

Mei's scores: 25, 27, 29, 27. Elena's scores: 21, 33, 27, 27. Both have mean 27. Whose scores are more consistent (smaller MAD)?

• A. Mei
• B. Elena

Question 3

The mean of 17, 14, 15, 13, 16 is 15. Find the mean absolute deviation.

Answer 

Question 4

Daniel's scores: 23, 26, 29, 26. Ines's scores: 21, 31, 26, 26. Both have mean 26. Whose scores are more consistent (smaller MAD)?

• A. Daniel
• B. Ines

Question 5

The mean of 11, 8, 7, −2 is 6. Find the mean absolute deviation.

Answer 

Question 6

Chloe's scores: 15, 17, 19, 17. Maya's scores: 11, 23, 17, 17. Both have mean 17. Whose scores are more consistent (smaller MAD)?

• A. Chloe
• B. Maya

Question 7

The mean of 4, 10, 11, 3 is 7. Find the mean absolute deviation.

Answer 

Question 8

Elena's scores: 18, 21, 24, 21. Hiro's scores: 15, 27, 21, 21. Both have mean 21. Whose scores are more consistent (smaller MAD)?

• A. Elena
• B. Hiro

Question 9

The mean of 9, 11, 1, 9, 0 is 6. Find the mean absolute deviation.

Answer 

Question 10

Felix's scores: 11, 14, 17, 14. Hiro's scores: 8, 20, 14, 14. Both have mean 14. Whose scores are more consistent (smaller MAD)?

• A. Felix
• B. Hiro

Question 11

The mean of 6, 7, 7, 24 is 11. Find the mean absolute deviation.

Answer 

Question 12

Luis's scores: 23, 26, 29, 26. Omar's scores: 18, 34, 26, 26. Both have mean 26. Whose scores are more consistent (smaller MAD)?

• A. Luis
• B. Omar

Question 13

The mean of 7, 12, 6, 7 is 8. Find the mean absolute deviation.

Answer 

Question 14

Jamal's scores: 19, 20, 21, 20. Kofi's scores: 14, 26, 20, 20. Both have mean 20. Whose scores are more consistent (smaller MAD)?

• A. Jamal
• B. Kofi

Question 15

The mean of 11, 17, 13, 9, 20 is 14. Find the mean absolute deviation.

Answer 

Question 16

Hiro's scores: 9, 11, 13, 11. Mateo's scores: 6, 16, 11, 11. Both have mean 11. Whose scores are more consistent (smaller MAD)?

• A. Hiro
• B. Mateo