1. What is the size of the class interval of the given frequency distribution table? A. 5 B. 6 C. 7 D.8 2. What is the median class of the scores of 40 students in a mathematics test? A. 60-64 B. 65-69 C. 70-74 D. 75-79 3. What is the modal class of the scores of 40 students in a mathematics test? A. 75-79 B. 70-74 C. 65-69 D. 60-64 4. What is the median of the set of data? A.-74.50 B. 75.60 C. 76 D. 76.50​