Measures of Center and Variability Review

Find the mode:
4, 5, 4, 3, 5, 1, 6

• 4

• 5

• 4 & 5

• 3

Calculate the Mean Absolute Deviation 7, 9, 2, 7, 3, 5, 10

• 2.41

• 2

• 4.21

• 3

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

• 43

• 20

• 10

• 12

What is the range of the data shown?

• 85

• 90

• 80

• 70

What is the minimum in this data set?

• 0

• 4

• 9

• 40

What is the median?

• 62

• 58

• 66

• 60

What can you tell about the mean and the median by just looking at the graph?

• The mean is greater than the median.

• The mean and the median are about equal.

• The mean is less than the median.

Calculate the Mean Absolute Deviation

3, 6, 6, 7, 8, 11, 15, 16

• 3.75

• 9

• 3.5

• 3

Select all that apply to this data set.

• The outlier is 0

• The mode is 4

• The median is 4

• The mean is 3