Question

Calculate Mode by grouping method using following data
Marks 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90
No. of
students
4 6 20 32 33 17 8 2​

Answer 1

Answer:

MODE

10-20 - 4

20-30 - 6

30-40 -20

40-50 -32

50-60 -33

60-70 -17

70-80 -8

80-90 -2

Here class 50-60 has the highest frequency of 33 students

hence the mode is 50-60.

Thankyou

hope it helps