In which class interval does the median score of the 73 students that appeared for an exam co - incise with ?

scores obtained ----------------- No: of students
50-59 ------------------ 2
60-69 ------------------ 10
70-79 ------------------ 12
80-89 ------------------ 27
90-99 ------------------ 21

Options
a)60-60
b)70-79
c)80-89
d)cannot be determined