Mean Absolute Deviation

Example: 10,12,18,11,19

• 10+12+18+11+19=70

• 70/5=14

• 14-10=4

• 14-12=2

• 14-18=-4

  • I-4I=4

• 14-11=3

• 14-19=-5

  • I-5I=5

• ​4+2+4+3+5=18

  • 18/5=3.6

Multiple Choice

Find the MAD:
58, 38, 54, 48, 26, 36

• 43
• 20
• 10
• 12

Multiple Choice

What is the MAD of this data set?
6, 7, 2, 1, 5, 2, 1, 6

• 2.25
• 2.5
• 3
• 3.8

Multiple Choice

Find the MAD for the following set: 85, 90, 68, 75, 79

• 79.4
• 6.48
• 32.4
• 79

Multiple Choice

What is the M.A.D of the following data if the mean is 87?

70, 82, 88, 90, 96, 96

• 7.3

• 3.7

• 44

• 87

Fill in the Blank

Find the Mean Absolute Deviation of the set: 23, 15, 15, 17, 10.

The mean is 16.

.