Question

find the mode from the following :- age (in year ) (0-10)(10-20)(20-30)(30-40)(40-50)(50-60) no. of person (6)(11)(21)(23)(14)(5)​

Answer 1

hey mate here is your answer :

c.i.

0-10

10-20

20-30

30-40

40-50

50-60

frequency :

6

11

21

23

14

15

mode

l+f1-f0/2f1-f0-f2×h

40+23-21/2×23-21-14×10

40+2/46-21-14×10

40+2/11×10

40+20/11

40+1.8

41.8

f1=23 highest frequency

f0=21 preceeding term of model class

f2=succeeding term of model class

l=corresponding term of f1=40

h=10