Question

The following table gives the weekly wages of the workers in a factor

Weekly Wages	$50-55$	$55-60$	$60-65$	$65-70$	$70-75$	$75-80$	$80-85$	$85-90$
No. of workers	$5$	$20$	$10$	$10$	$9$	$6$	$12$	$8$

Calculate

(ii)the modal class

Answer 1

Calculate the modal class:

The class with the highest frequency will be considered the modal class.

The given frequencies are: $5,20,10,10,9,6,12,8$

The highest frequency from the above table list is $20$ and the class responding to this frequency is $55-60$.

Hence, The modal class for the given data is $55-60$.