This will always be the case as it is a property of the sample mean, i.
Make note of students who are having trouble understanding how to use the MAD to compare the class data, so you can address any misconceptions during the Ways of Thinking discussion.
Finally, we divide this sum by n, which is the total number of data values.
The result is the mean absolute deviation.
If we do not figure out a way to eliminate the negative signs, all of the deviations will cancel one another out if we add them together.
Can mean deviation be zero? Common Uses The mean absolute deviation has a few applications.