6A 3.3.3 PreAlg Mean Absolute Deviation

Use the key terms provided to complete each sentence.

​ (a)   indicates how far the data value is from the mean.

​ (b)   is the absolute value of each deviation.

​ (c)   is the average, or mean, of the absolute deviations.

• Deviation
• Absolute deviation
• Mean absolute deviation

Calculate the mean absolute deviation for the data set:

4, 5, 9, 4, 8. Mean = 6

Mathematical Equivalence

ON

Calculate the mean absolute deviation for the data set:

7, 11, 8, 35, 14

Mean = 15

Mathematical Equivalence

ON

Calculate the mean absolute deviation for the data set:

60, 65, 66, 67, 67, 65

Mean = 65

*Round your answer to the nearest hundredth!

Mathematical Equivalence

ON

Calculate the mean absolute deviation for the data set:

22, 26, 29, 23, 26, 21, 28, 24, 25, 26

Mean = 25

Mathematical Equivalence

ON

Calculate the mean absolute deviation for the data set:

180, 210, 155, 110, 230, 90, 400, 35, 190, 0, 10, 100, 90, 130, 200

Mean = 142

*Round your answer to the nearest hundredth!

Mathematical Equivalence

ON

Calculate the mean absolute deviation for the data set:

55, 74, 90, 20, 47, 59, 26, 83, 77, 62, 58, 33, 57, 44, 31

Mean = 54.4

*Round your answer to the nearest hundredth!

Mathematical Equivalence

ON