Mean Average Deviation

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

• 9

• 6

• 1.2

• 5

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

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

• 43

• 20

• 10

• 12

The list shows the height of 6 basketball players in inches.

73, 77.3, 79.1, 83.2, 80, 77.8

What is the mean absolute deviation of these numbers? (Round your answer to the nearest hundredth.)

Mathematical Equivalence

ON

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

• 3

• 5

• 1

• 2

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

• 3

• 1

• 5

• 2

What is the third step (4-5) when calculating the Mean Absolute Deviation?

• Find the distance each value is from the mean

• Find the mean of the data

• Find the mean of the new set of numbers

  (add, divide)

The daily high temperatures, in degrees Celsius, for two weeks were recorded. The first week had a mean high temperature of 8 degrees Celsius and a mean absolute deviation (MAD) of 1 degree Celsius. Here is a list of the high temperatures, in degrees Celsius, for the second week. 5, 9, 7, 0, 3, 5, 5 What is the mean absolute deviation of the second week? Round to the nearest hundredths.

The track team had 5 students that competed in discus throwing. The table shows how far each student threw a discus at the last track meet. What is the mean absolute deviation for for this set of data?

Mathematical Equivalence

OFF

Tags

8.11B