Six Second Grade Students Tried Tossing a Ball into a Basket

Multiple Choice

Six second grade students tried tossing a ball into a basket ten times each. Their teacher then suggested a different way of tossing the ball, and the six students tried again. The number of successful tosses, before and after the teacher's suggestion, are shown below. In the ranking of the absolute values of the differences, child C's rank is ______. [Recall, differences of zero are not ranked.]

A) 4.5
B) 3.5
C) 2.5
D) 1.5