Question

The following table shows the marks obtained by 100 students of class X in a school

during a particular academic session. Find the mode of this distribution.

Marks No. of students

Less then 10 7

Less than 20 21

Less than 30 34

Less than 40 46

Less than 50 66

Less than 60 77

Less than 70 92

Less than 80 100

Answer 1

Apply formula of mode

l+(f1-f0)÷2f1-f0-f2*H