Given:
The data set is 13, 14, 15, 6, 17, 16, 3.
To find:
The mean absolute deviation for the data set.
Solution:
We have,
13, 14, 15, 6, 17, 16, 3
Mean of the data set is:




The formula for mean absolute deviation is:

Using this formula, the mean absolute deviation for the data set is:




Therefore, the mean absolute deviation for the data set is about 4.29.