Question 16 of 36 1 Points Dr. Grey teaches General Surgery, and she is interested in measuring her students' knowledge of the subject. In order to do so, she gave the same 50- item test to all four of her classes. Use this information to answer items 16-20 below. Class A Class B Class C Class D n 30 25 30 20 mean 31.5 30 43 22 median 31 25 45 mode 30 20 47 30 In Class C, more students got a score of than any other score. O A 47 B. 43 O C. 45 O D. 30