Mean is the average. Median is the middle number. Both groups had 10 scores. Boys ranged from 15-81. Girls from 0-75; their mean & median would be less because their scores are less.
For this case we have the following amount of liquid: 2.5 oz. The amount of liquid needed is: 3 oz. Therefore, the amount of fluid needed is: 3oz - 2.5oz = 0.5oz Answer: b. no, hildy did not get a reasonable amount of liquid because she only needed 0.5 oz (3 - 2.5 = 0.5).