Mean Absolute Deviation

What is the first step to solving Mean Absolute Deviation?

• Find the mean of the new set of numbers

• Find the mean of the given data set

• Subtract the mean from each original data point

What is the 2nd step to solving Mean Absolute Deviation?

• Find the distance each value is away from the mean

• Find the mean of the distances

• Find the mean of the data

True or False? The absolute value of a number will always be positive.

• True

• False

The last step to find the Mean Absolute Deviation is to

• 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.

56, 21, 55, 30, 33

• 39

• 19.5

• 13.2

• 65.2

Find the Mean Absolute Deviation.

58, 38, 54, 48, 26, 36

• 43

• 10

• 20

• 12

The list shows the number of free throws Jason made while at basketball practice. 15, 17, 11, 12, 13, 16

What is the mean absolute deviation of these numbers?

• 84

• 14

• 2

• 5

Find the Mean Absolute Deviation of the set: 10, 5, 7, 14, 19, 32, 25

• 8

• 16

• 56

• 112

Find the Mean Absolute Deviation of the set: 56, 21, 55, 30, 34

• 39.2

• 13.04

• 196

• 65.2

Find the Mean Absolute Deviation of the set: 12, 25, 7, 14, 11, 30

• 44

• 99

• 7.3

• 16.5