The following data shows the weight, in pounds, of 5 boxes: 3, 1, 2, 2, 2

What is the value of the mean absolute deviation of the weight of the boxes, and what does it represent about the weight of a box?

0.4 pound; on average, the weight of a box varies 0.4 pounds from the mean of 2 pounds
0.8 pound; on average, the weight of a box varies 0.8 pounds from the mean of 2 pounds
0.4 pound; the weight of 50% of the boxes is greater than 0.4 pound
0.8 pound; the weight of 50% of the boxes is greater than 0.8 pound