Consider the following distribution: Marks obtained No. of students More than or equal to zero 63 More than or equal to 10 58 More than or equal to 20 55 More than or equal to 30 51 More than or equal to 40 48 More than or equal to 50 42The frequency of class 30-40 is:

Consider the following distribution: Marks obtained No. of students�

1.	Consider the following distribution: Marks obtained No. of students More than or equal to zero 63 More than or equal to 10 58 More than or equal to 20 55 More than or equal to 30 51 More than or equal to 40 48 More than or equal to 50 42The frequency of class 30-40 is:
A.	4
B.	51
C.	48
D.	3
Answer» E.