"
Approximately 50% of the students drank from 30 to 60 fluid ounces.

C Approximately 25% of the students drank from 30 to 78 fluid ounces.

B Approximately 1/4 of the students drank from 78 to 90 fluid ounces.

D Approximately 3/4 of the students drank from 78 to 114 fluid ounces.