Question

the number of a member in 25 families in a village are follows us​

Answer 1

Answer:

Table And Final Answer :-Attached in image

Explanation : (Writing here)

N :- The total frequencies is denoted by "N"

In the last column write the products :

$\large{f} \small{i} \: \times \large{x} \small{i}$

The sum of

$\large{f} \small{i} \: \times \large{x} \small{i}$is denoted as :-

$Σ \large{f} \small{i} \: \times \large{x} \small{i} \\ </p><p>Σ \: indicates \: the \: sum \\ \\ arithmetic \: mean \: = \overline{x}$

$</p><p> \small \mathcal\red{∴ Mean \: \overline{x} =\underline{ Σ \large{f} \small{i} \: \times \large{x} \small{i}}} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \red{N}$