Mean Absolute Deviation

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

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

• True
• False

Which data set is likely to have the least mean absolute deviation?

• The ages of students in a middle school

• The population of each state

• The number of books checked out by each person that visits the library on a given day

• The speed of each car on a section o highway

Reorder the data set by least MAD to greatest MAD.

• The number of books checked out by each person that visits the library on a given day

• The ages of students in a middle school

• The population of each state

• The speed of each car on a section o highway

Calculate the Mad for : 100, 95, 92, 85