    Sentence a: Formally defined as the  standard deviation of demand divided  average demand, the coefficient c  variation can be dered a seasur.  of (variation: that is: normalized; 4   to compare the variation o:  different Products, even 4   the average demand of ‘the two Product:   4s quite different.    Sentence 2: We can compare the demand!  for different Products even if it 4,  quite different,         