Question

Given below is the distribution of weekly pocket money received by students of a class. Calculate the pocket

Answer 1

Given:

please find the attachment:

To find:

mode=?

Solution:

In the question, some data is missing, which is defined in the attached file. please find it.

Modal Class = 80-100  

$L= 80\\f_l = 18\\f_2 = 5\\f_o=12\\h = 20$

Formula:

$\bold{Mode = L+\frac{f_1-f_0}{2f_1-f_0-f_2}\times h}$

           $=80+\frac{18-12}{36-12-5} \times 20\\\\ =80+\frac{6}{19} \times 20\\\\= 80+6.31 \\\\= 86.31$