Marks obtained by 200 students in an examination are given below :
Draw an ogive for the given distribution taking 2cm = 10 marks on one axis & 2 cm = 20 students on the other axis. Using the graph determine:
57, 30, 15
57, 46, 10
57, 25, 20
47, 30, 15
47, 25, 20
47, 46, 10