Question

plzzz.........help me ​

Answer 1

1. 74.5-79.5 is the modal class because this class contain maximum frequency(f1).

2.69.5-74.5 is the median class because n/2= 200/2=100

so the c.f is 102 and the class of 102 is median class.

3.c.f=44

4.