Mean and Mad

What is the mean absolute deviation (MAD) of this set of numbers:
 10, 8, 5, 12, 20

• 3.4
• 4
• 11
• 5

Find the mean absolute deviation (MAD)
58, 38, 54, 48, 26, 36

• 43
• 20
• 10
• 12

In calculating MAD, after you find the average or mean you must _____________. 

• do nothing because you're done
• Find out the distance each number is from the mean.
• Find the distance each number is from zero.

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

• 3
• 5
• 1
• 2

Determine the mean absolute deviation of the data. 9, 7, 11, 10, and 8

• 9
• 6
• 1.2
• 5

What is the first step when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean
• Find the mean of the distances
• Find the mean of the data

What is the second step when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean
• Find the mean of the distances
• Find the mean of the data

What is the third step when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean
• Find the mean of the distances
• Find the mean of the data

Determine the mean absolute deviation (MAD) of the data. 9, 7, 11, 10, and 8

• 9
• 6
• 1.2
• 5

What is the average distance from the mean (MAD), using this data? 10, 8, 5, 12, 20

• 3.4
• 4
• 11
• 5