Question

The following frequency distribution shows the marks obtained by 100 students. Find the mode:
Marks: Less than 10,20,30,40,50,60,70,80,90
No.of students:10,15,30,50,72,85,90,95,100
Pls answer fast

Answer 1

Answer:

ANSWER

In the given frequency distribution , h=10

Class 20−30 has maximum frequency. i.e., 25

Therefore, 20−30 is the model class in which l=20 and f

m

=25.

Here, f

1

=12 and f

2

=13

Mode=l+(

2f

m

−f

1

−f

2

f

m

−f

1

)×h

=20+(

50−12−13

25−12

)×10

=20+

25

130

=20+5.2

=25.2 (A