CASE STUDY-II (4M) During the annual sports meet in a school, all the athletes were very enthusiastic. They all wanted to be the winner. So that their house could stand first. The instructor noted down the time taken by a group of students to complete a certain race. The data recorded is given below:
Time (in seconds) No. of Students 0-20 1 20-40 4 40-60 31 60-80 80-100 5-
What is the median class of the given data