Calculate Mean Absolute Deviation (M.A.D)

A website captures information about each customer's order. The total dollar amounts of the last 8 orders are listed in the table below. What is the mean absolute deviation of the data?
[list=1][*]To find the mean absolute deviation of the data, start by finding the mean of the data set.[br][/*][*]Find the sum of the data values, and divide the sum by the number of data values.[br][/*][*]Find the absolute value of the difference between each data value and the mean: |data value – mean|.[br][/*][*]Find the sum of the absolute values of the differences.[br][/*][*]Divide the sum of the absolute values of the differences by the number of data values.[/*][/list]

Information