Question

Compute the mode of the following data:
Class
interval
1-5 6-10 |11-15 16-20 21-25 26-30 31-35 36-40 41-45 46-50
Frequency
3
8
13
18
28
20
13
8
6
4​

Answer 1

Answer:

f¹ =28

f²=20

f⁰=18

L=21

h=4

Now put the values in the formula amd solve it .....I hope you will get the answer

Answer 2

f¹=28

f²=20

f⁰=18

L=21

h=4

mode=L+(f¹-f⁰)h/(f⁰-f¹)+(f⁰-f²)

=21+(18-28)4/(18-28)+(18-20)

=21-40/-8

=-19/8