Mean Absolute Deviation

What is Mean Absolute Deviation?

• The mean of the data

• The absolute value of the mean

• The variation of data values around the mode

• The average distance between the data values and the mean

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

Tags

CCSS.7.EE.B.3

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

Tags

CCSS.7.EE.B.3

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

• 3
• 5
• 1
• 2

What is another word for average?

• Mean
• Median
• Mode
• Range

Tags

CCSS.7.EE.B.3

Find the Mean Absolute Deviation: (MAD)

10, 9, 3, 8, 10.

• 3

• 5

• 1

• 2

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

• 43
• 20
• 10
• 12

Which M.A.D. would show the most variability?

• .5
• 1
• 1.5
• 2

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

• 43
• 20
• 10
• 12