The means and mean absolute deviations of the amount of rain that fell each day in a local city, last week and this week, are shown below. Means and mean absolute deviations of rainfall last week and this week last week this week mean 3. 5 in. 2. 7 in. Mean absolute deviation 1. 2 in. 0. 5 in. Which expression compares the difference of the two means to this week’s mean absolute deviation?.