Mean Absolute Analysis

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

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

• 3

• 5

• 1

• 2

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

Calculate the Mean Absolute Deviation 156, 189, 134, 220, 138, 192

• 171.5

• 28.8

• 35

• 25

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

Calculate the M.A.D:  13, 17, 19, 27

• 4

• 19

• 6

• 8

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

• 9

• 6

• 1.2

• 5

What is the mean absolute deviation for this set of data?

• 71

• 24

• 4

• 13

What was the mean absolute deviation of the number of minutes Mira practiced each day?

• 4.0

• 4.4

• 4.6

• 4.9

The sum of all the items divided by the number of items in the set

• Mean

• Median

• Mode

• Range