Consider the following data: Marks in 0 – 9 10 – 19 20 – 29 30 – 39 40 – 49 Total Mathematics No. of students (f) 10 8 12 15 5 50 Frequency density of the second class is

Consider the following data: Marks in 0 – 9 10 – 19 20 – 29 30 �

1.	Consider the following data: Marks in 0 – 9 10 – 19 20 – 29 30 – 39 40 – 49 Total Mathematics No. of students (f) 10 8 12 15 5 50 Frequency density of the second class is
A.	0.8
B.	8
C.	1.2
D.	1
Answer» B. 8