Isabelle found the mean absolute deviation of the data shown.
Match her work to the correct step description.
100 points for right answer
![Isabelle found the mean absolute deviation of the data shown Match her work to the correct step description 100 points for right answer class=](https://us-static.z-dn.net/files/d20/e71285b9d7a7d0a4e1976402e0a6c889.png)