Mean and Mean Absolute Deviation

What is another word for average? (a)  

• mean
• mode
• median
• range

What is the first step (1-2) 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 distances

What is the second step (3) 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 (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 distances

Tags

CCSS.7.EE.B.3

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 rage distance between the data values and the mean

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

True or false? :The larger the Mean Absolute Deviation the more consistent the data is. (a)  

• True
• False

True or false?:The absolute value of a number will always be positive. (a)  

• True
• False

In calculating MAD, after you find the average or mean you must _____________.

What is the mean of the data: 15, 20, 25, 17, 18

Mathematical Equivalence

ON

What is the mean absolute deviation of the data: 15, 20, 25, 17, 18

• 4.5

• 2.8

• 4

• 3.8