Find the absolute mean deviation for the set {X, 2x, 3x, 4x}

Given:

Data set =

To find:

The absolute mean deviation for the given set.

Solution:

We have,

Data set =

Mean of the data set is

Now,

The formula for mean absolute deviation (MAD) is

Therefore, the mean absolute deviation for the given set of data is x.

c. 4 1/4 pounds