question_answer

Compute the median for the following cumulative frequency distribution:

Mark obtained	Cumulative frequency
More than or equal to 20	100
More than or equal to 30	96
More than or equal to 40	84
More than or equal to 50	70
More than or equal to 60	54
More than or equal to 70	34
More than or equal to 80	18
More than or equal to 90	8
More than or equal to 100	0

A) 60                                                        

B)  55          

C)  58                                                                   

D)  62

E)  None of these