Respuesta :
					                   Mean absolute deviation, or the mean of the distance from the mean.
					                
					                
					             
					                   It stands for mean absolute deviation and its a ratio of the two data sets. 
Data set. Mean. MAD
2,2,4,4 3 1
2+2+4+4 12 |2-3|+|2-3|+|4=3|+|4=3|
________ = ____=3 ________________= 1
4 4 4
					                
					             Data set. Mean. MAD
2,2,4,4 3 1
2+2+4+4 12 |2-3|+|2-3|+|4=3|+|4=3|
________ = ____=3 ________________= 1
4 4 4
 
					                  