Interpret the Mean Absolute Deviation

Which of the following is the mean absolute deviation for the set of data?
2.50 3.75 1.25 2.25 3.00

• 3.3
• 0.66
• 2.50
• 2.55

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

• 43
• 20
• 10
• 12

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

• 79.4
• 6.48
• 32.4
• 79

Find the MAD of the following data sets: $29, $58, $15, $129, $75, $22

• 196
• 54.7
• 114
• 32.67

Find the MAD for the following set: 65, 90, 85, 70, 70, 95, 55

• 12.24
• 75.7
• 85.7
• 40

Find the Mean Absolute Deviation:  10, 9, 3, 8, 10.  The Mean is 8

• 3
• 5
• 1
• 2

Find the Mean Absolute Deviation:  5, 11, 2, 7, 16.  The Mean is 8.2 

• 3.2
• 2.8
• 1.2
• 4.2

Which mean absolute deviation would have a greater variability or spread?  4.2 or 8.5?

• 4.2
• 8.5

Which mean absolute deviation would be more consistent? 4.2 or 8.5?

• 4.2
• 8.5

True or false? :The larger the Mean Absolute Deviation the more consistent the data is.

• True
• False