Mean Absolute Deviation from a Number Line

Which is the correct Mean and Mean Absolute Deviation to the following numbers?

• Mean: 3.66

  MAD:3

• Mean: 3

  MAD:3.66

• Mean:3

  MAD:4

• None of the above

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

• 9

• 6

• 1.2

• 5

-measure of variability when data is symmetric

• deviation from the mean

• median

• interquartile range

• mean absolute deviation

Using the picture to find mean absolute deviation, what is the final answer?

• 86

• 430

• 35

• 7

Find the Mean Absolute Deviation: (MAD)

10, 9, 3, 8, 10.

• 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

• A

• B

• C

• D

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 of the data.

9, 7, 11, 10, 8

• 9

• 6

• 1.2

• 5

Find the MAD:

58, 38, 54, 48, 26, 36

• 43

• 20

• 10

• 12