Mean Absolute Deviation

Which of the following is the mean absolute deviation for the set of data?

2.50 3.75 1.25 2.25 3.00

• 3.3

• 0.66

• 2.50

• 2.55

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

• 43
• 20
• 10
• 12

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

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

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

What is another word for average?

• Mean
• Median
• Mode
• Range

Find the MAD for the following set: 85, 90, 68, 75, 79

• 79.4
• 6.48
• 32.4
• 79

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

In calculating MAD, after you find the absolute deviations you must _____________.

• Do nothing because you are done.
• Subtract them from the mean.
• Find the mean of the absolute deviations.

An amusement park recorded the ages of the first ten people to ride a new attraction. The ages were as follows: 11, 34, 16, 18, 22, 30, 18, 20, 15, and 16. What is the mean absolute deviation of this data set? 

• 20
• 5.2
• 18
• 4.8

Which mean absolute deviation would have a greater variability or spread?  4.2 or 8.5?

• 4.2
• 8.5