Question

The following table given the weekly wages (in Rs.) of workers in a factory:

Weekly wages (in Rs.)	$50-55$	$55-60$	$60-65$	$65-70$	$70-75$	$75-80$	$80-85$	$85-90$
No. of workers	$5$	$20$	$10$	$10$	$9$	$6$	$12$	$8$

Calculate:
the model class.

Answer 1

$\Rightarrow$ We know that the modal class is a class which has highest frequency.

$\Rightarrow$ In given table, class interval $55-60$ has highest frequency $20$.

$\therefore$ Modal class $=55-60$